Black Stainless Long-Tube Headers For 1967-81 Camaro with 283-400
| Description_DEF |
[B@324b0f76 |
| Description_DES |
[B@cfdb847 |
| Description_EXT |
[B@9ee5dc9 |
| Description_FAB |
[B@701159f5 |
| Description_FAB |
[B@1acbc83e |
| Description_FAB |
[B@7b1574a0 |
| Description_FAB |
[B@ee7e1e |
| Description_FAB |
[B@7a4a5107 |
| Description_FAB |
[B@3e84ec48 |
| Description_INV |
[B@6e642f4c |
| Description_SHO |
[B@1d09b210 |
| Title |
HEDMAN HEDDERS STAINLESS STEEL- 67-81 SB CHEVY CAMARO, NOVA- BLACK MAXX |
| Tube Diameter |
1-5/8 in. |
| Quantity |
Sold as a pair. |
| Weld-Up |
No |
| Tuned |
No |
| Bolts/Studs Included |
Yes |
| Catalytic Converter(s) Included |
No |
| Crossover Pipe Included |
No |
| Gasket Or Seal Included |
Yes |
| Installation Hardware Included |
Yes |
| Motor Mounts Included |
No |
| Mounting Hardware Included |
Yes |
| Reducers Included |
Yes |
| Y-Pipe Included |
No |
| Primary Tube Gauge |
16g |
| with A.I.R. System |
No |
| Primary Tube Diameter (in) |
1.625 in. |
| Package Contents |
Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware |
| Header Material |
T304 Stainless Steel |
| Header Finish |
BLACK MAXX Satin Black Ceramic-Metallic |
| Cylinder Head Port Shape |
Oval |
| Cylinder Head |
Stock Profile Heads |
| O2 Provision |
Yes |
| Header Construction |
T304 STAINLESS STEEL |
| Replacement Gasket |
27520 |
| Replacement Head Flange Gasket |
27520 |
| California Proposition 65 |
WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov |
| with EGR |
No |
| Variations |
68276, 68278 |
| Tube Style |
Long Tubes |
| Air Conditioning |
Yes |
| Automatic Transmission - Column |
Yes |
| Automatic Transmission - Floor |
Yes |
| Manual Transmission - Column |
No |
| Manual Transmission - Floor |
Yes |
| Tube Size |
1-5/8 in. |
| Material |
T304 Stainless Steel |
| Tube Design |
Standard |
| Tube Length |
Long Tubes |
| Tube Material Thickness |
16g |
| Flange Thickness |
0.375 in. |
| Exhaust System Dia |
2-1/2 in. |
| Reducer Outlet Size |
2-1/2 in. |
| Collector Attachment |
3 in. |
| Collector Diameter |
3 in. |
| Collector Size |
3 in. |
| Notes |
67-81 Camaro, 68-79 Nova 283-400 |
| Collector Style |
BALL and SOCKET Style (Gasketless) |
| Finish |
BLACK MAXX Satin Black Ceramic-Metallic |
| Finish Type |
BLACK MAXX- Black Ceramic-Metallic Coating |
| Contents |
headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware |
| Header Style |
Long Tube |
| E.O. # |
No |
| Emissions Notes |
Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Flange Style |
Standard |
| Power Steering |
Yes |
| Year |
Make |
Model |
Submodel |
Notes |
| 1967 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1968 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1969 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1970 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1971 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1972 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1973 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1974 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1975 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1976 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1977 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1978 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1979 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1980 |
Chevrolet |
Camaro |
Base |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1981 |
Chevrolet |
Camaro |
Berlinetta |
Air Conditioning: Not for '67-69 with A/C! 1970 and later with Large Piston A/C need bracket 20110; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (104) On some models it may be necessary to remove Z bars. (SS Series); Footnotes: (121) Must modify rotary A/C bracket.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Emissions Notes: RACE ONLY! NOT LEGAL for public street or highway use on '75-later vehicles.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1968 |
Chevrolet |
Chevy II |
Nova |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1969 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1970 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1971 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1972 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1973 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1974 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1975 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1976 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1977 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1978 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
| 1979 |
Chevrolet |
Nova |
Base |
Air Conditioning: No; Power Steering: Yes; Auto Transmission - Column: Yes; Auto Transmission - Floor: Yes; Manual Transmission - Column: No; Manual Transmission - Floor: Yes; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (49) Will not fit (Saginaw) close ratio P/S with 825 power steering box, 1967-69.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Engine Family: SB Chevy 283-400 (Gen 1) |
