{"product_id":"hedman-hedders-1968-72-chevelle-el-camino-ls-swap-headers-mid-length-304-stainless-black-62143","title":"Hedman Hedders LS Swap Headers; Mid-Length - 304 Stainless- Black 62143 fits 1968-1972 Buick \/ Chevrolet \/ Oldsmobile \/ Pontiac","description":"Hedman Hedders 1968-72 Chevelle\/El Camino (and related A-Bodies) LS Swap Headers; Auto Transmission; 1-3\/4 in. Mid-length Tube; 3 in. Ball\/Socket Collector- 304 Stainless Steel - Black MAXX\u003cp\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_DEF\u003c\/td\u003e\n\u003ctd\u003e[B@3292f005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_DES\u003c\/td\u003e\n\u003ctd\u003e[B@2d996d0d\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_EXT\u003c\/td\u003e\n\u003ctd\u003e[B@45f613f7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003e[B@61fb22f6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003e[B@444cf414\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003e[B@22db0895\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003e[B@57c7ce92\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003e[B@6f13ba0e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_FAB\u003c\/td\u003e\n\u003ctd\u003e[B@4cdc0fac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_INV\u003c\/td\u003e\n\u003ctd\u003e[B@36b93902\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDescription_SHO\u003c\/td\u003e\n\u003ctd\u003e[B@5f63c219\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTitle\u003c\/td\u003e\n\u003ctd\u003eHEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS; AUTO TRANSMISSION; 1-3\/4 IN. MID-LENGTH TUBE; 3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Design\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Diameter\u003c\/td\u003e\n\u003ctd\u003e1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSold as a pair.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Notes\u003c\/td\u003e\n\u003ctd\u003eRequires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ewith A.I.R. System\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ewith EGR\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeld-Up\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuned\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolts\/Studs Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalytic Converter(s) Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover Pipe Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Hardware Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducers Included\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eY-Pipe Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Tube Gauge\u003c\/td\u003e\n\u003ctd\u003e16g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Size\u003c\/td\u003e\n\u003ctd\u003e1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Tube Diameter (in)\u003c\/td\u003e\n\u003ctd\u003e1.75 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Contents\u003c\/td\u003e\n\u003ctd\u003eHeaders, ball and socket reducers (exhaust adapters), gaskets, mounting hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader Material\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader Finish\u003c\/td\u003e\n\u003ctd\u003eBLACK MAXX Satin Black Ceramic-Metallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCylinder Head Port Shape\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCylinder Head\u003c\/td\u003e\n\u003ctd\u003eStock Profile Heads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO2 Provision\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Family\u003c\/td\u003e\n\u003ctd\u003eA-Body (GM) 1968-72\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader Construction\u003c\/td\u003e\n\u003ctd\u003eT304 STAINLESS STEEL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement Gasket\u003c\/td\u003e\n\u003ctd\u003e27470\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalifornia Proposition 65\u003c\/td\u003e\n\u003ctd\u003eWARNING: Cancer \u0026amp; Reproductive Harm. For more info visit www.P65Warnings.ca.gov\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVariations\u003c\/td\u003e\n\u003ctd\u003e62140, 62146, 62143, 68140, 68143 \u0026amp; 68146.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Material Thickness\u003c\/td\u003e\n\u003ctd\u003e16g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Style\u003c\/td\u003e\n\u003ctd\u003eMid-Length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Conditioning\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomatic Transmission - Column\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAutomatic Transmission - Floor\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual Transmission - Column\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual Transmission - Floor\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTube Length\u003c\/td\u003e\n\u003ctd\u003eMid-Length Tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Thickness\u003c\/td\u003e\n\u003ctd\u003e0.375 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust System Dia\u003c\/td\u003e\n\u003ctd\u003e2-1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReducer Outlet Size\u003c\/td\u003e\n\u003ctd\u003e2-1\/2 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Attachment\u003c\/td\u003e\n\u003ctd\u003e3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Diameter\u003c\/td\u003e\n\u003ctd\u003e3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Size\u003c\/td\u003e\n\u003ctd\u003e3 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Style\u003c\/td\u003e\n\u003ctd\u003eBALL and SOCKET Style (Gasketless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBLACK MAXX Satin Black Ceramic-Metallic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish Type\u003c\/td\u003e\n\u003ctd\u003eBLACK MAXX- Black Ceramic-Metallic Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eChevy LS Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHeaders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContents\u003c\/td\u003e\n\u003ctd\u003eHeaders, ball and socket reducers (exhaust adapters), gaskets, mounting hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader Style\u003c\/td\u003e\n\u003ctd\u003eMid-Length Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eE.O. #\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmissions Notes\u003c\/td\u003e\n\u003ctd\u003eNot Legal For Street Use on '75-Later Model Years! Legal for off-road use only.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePort Shape\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Style\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Steering\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cbr\u003eThis Part Fits:\u003cbr\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003cth align=\"left\" width=\"100\"\u003eYear\u003c\/th\u003e\n\u003cth align=\"left\" width=\"125\"\u003eMake\u003c\/th\u003e\n\u003cth align=\"left\" width=\"150\"\u003eModel\u003c\/th\u003e\n\u003cth align=\"left\" width=\"80\"\u003eSubmodel\u003c\/th\u003e\n\u003cth align=\"left\"\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eGS\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eGS\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eGS\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSkylark\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSkylark\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSkylark\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSkylark\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eSkylark\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eEl Camino\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMonte Carlo\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMonte Carlo\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eMonte Carlo\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003e442\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003e442\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003e442\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003e442\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eCutlass\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eF85\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eF85\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eF85\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eF85\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eF85\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eVista Cruiser\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eVista Cruiser\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eVista Cruiser\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eVista Cruiser\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003eVista Cruiser\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGTO\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGTO\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGTO\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGTO\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eGTO\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eLeMans\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eLeMans\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eLeMans\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eLeMans\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eLeMans\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eTempest\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eTempest\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eTempest\u003c\/td\u003e\n\u003ctd\u003eBASE\u003c\/td\u003e\n\u003ctd\u003eAir Conditioning: Yes; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: No; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.: Legal for use on '74-earlier vehicles without A.I.R.. Considered OEM replacement part, and do not require EO, when existing emission controls are not removed.; Engine Family: SB CHEVY Gen III\/IV (LS engines); Collector Style:Ball and Socket Style (Gasketless); Air Conditioning:Yes; Automatic Transmission - Column:Yes; Automatic Transmission - Floor:Yes; Manual Transmission - Column:No; Manual Transmission - Floor:No; Collector Size:3 in.; E.O. #:No; Emissions Notes:NOT LEGAL FOR STREET USE ON '75-LATER MODEL YEARS! Legal for off-road use only.; Finish:BLACK MAXX Satin Black Ceramic-Metallic; Flange Style:Standard; Header Style:Mid-Length Tube; Port Shape:Round; Power Steering:Yes; Material:T304 Stainless Steel; Variations:62140, 62146, 62143, 68140, 68143 \u0026amp;  68146.; with A.I.R. System:No; with EGR:No; Weld-Up:No; Tuned:No; Bolts\/Studs Included:Yes; Catalytic Converter(s) Included:No; Installation Hardware Included:Yes; Crossover Pipe Included:No; Y-Pipe Included:No; Reducers Included:Yes; Quantity:Sold as a pair.; Cylinder Head Port Shape:Round; Cylinder Head:Stock Profile Heads; Replacement Gasket:27470; O2 Provision:No; Vehicle Use:A-Body (GM) 1968-72; Package Contents:Set of Headers, mounting hardware and gaskets; Title:HEDMAN HEDDERS HEDMAN HEADERS 1968-72 CHEVELLE\/EL CAMINO (AND RELATED A-BODIES) LS SWAP HEADERS;  AUTO TRANSMISSION;  1-3\/4 IN. MID-LENGTH TUBE;  3 IN. BALL\/SOCKET COLLECTOR- 304 Stainless Steel - Black MAXX; Installation Notes :Requires Trans-Dapt Engine Swap Mount Kit 4600 (TH350\/700R4) or 4601 (4L60\/70E); Engine:Chevy LS Series; Tube Design:MID-LENGTH; Header Construction:T304 Stainless; Tube Style:Mid-Length; California Proposition 65:WARNING: Cancer \u0026amp;  Reproductive Harm. For more info visit www.P65Warnings.ca.gov; Collector Attachment:3 in.; Collector Diameter:3 in.; Exhaust System Dia:2-1\/2 in.; Flange Thickness:0.375 in.; Primary Tube Diameter (in):1.75 in.; Primary Tube Gauge:16g; Reducer Outlet Size:2-1\/2 in.; Tube Diameter:1-3\/4 in.; Tube Length:Mid-Length Tubes; Tube Material Thickness:16g; Tube Size:1-3\/4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Hedman Hedders","offers":[{"title":"Default Title","offer_id":44471738794191,"sku":"FBLG_62143","price":1215.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/4164\/7055\/files\/Hedman-Hedders-1968-72-ChevelleEl-Camino-LS-Swap-H-1757333526.webp?v=1757333527","url":"https:\/\/www.cimotorsports.com\/products\/hedman-hedders-1968-72-chevelle-el-camino-ls-swap-headers-mid-length-304-stainless-black-62143","provider":"CI Motorsports","version":"1.0","type":"link"}