1970-79 Pontiac Firebird Headers; Pontiac 326-455; 1-5/8 in. x 1-3/4 in. Stepped, Short Tube Design- HTC Polised-Silver Ceramic Coated, Mild Steel
Specifications:
| Description_DEF |
[B@620cd9e6 |
| Description_DES |
[B@6d5cb818 |
| Description_EXT |
[B@655ceda5 |
| Description_FAB |
[B@10cd0727 |
| Description_FAB |
[B@148a2f31 |
| Description_FAB |
[B@1c1ed9c0 |
| Description_FAB |
[B@1e2d3e23 |
| Description_FAB |
[B@66a1e6fe |
| Description_FAB |
[B@2397aebc |
| Description_INV |
[B@492da3d7 |
| Description_SHO |
[B@3e0650f7 |
| Title |
HEDMAN HEDDERS BLOCK HUGGER HEADERS; PONTIAC 326-455; 1-5/8 IN. TO 1-3/4 IN. STEPPED TUBES; HTC CERAMIC COATED |
| Replacement Gasket |
27600 |
| Material |
Mild Steel |
| Transmission Notes |
Modification to shifter linkage may be required. |
| Tube Design |
Standard |
| Tube Length |
Short Tubes |
| Tube Diameter |
1-5/8 in. x 1-3/4 in. |
| Reducers Included |
Yes |
| with EGR |
No |
| Weld-Up |
No |
| Tuned |
No |
| Bolts/Studs Included |
Yes |
| Catalytic Converter(s) Included |
No |
| Crossover Pipe Included |
No |
| Gasket Or Seal Included |
Yes |
| Header Fasteners Included |
Yes |
| Installation Hardware Included |
Yes |
| Motor Mounts Included |
No |
| Mounting Hardware Included |
Yes |
| Y-Pipe Included |
No |
| Variations |
28164 |
| Quantity |
Sold as a pair. |
| Primary Tube Gauge |
16g |
| Primary Tube Diameter (in) |
1.625 in. x 1.75 in. |
| Package Contents |
Headers, reducers (exhaust adapters), gaskets, mounting hardware |
| Header Material |
Mild Steel |
| Header Finish |
HTC Polished Silver Ceramic-Metallic |
| Cylinder Head Port Shape |
Oval |
| Cylinder Head |
Stock Profile Heads |
| Header Construction |
MILD STEEL- Standard-Duty |
| Replacement Head Flange Gasket |
27600 |
| California Proposition 65 |
WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov |
| with A.I.R. System |
No |
| Tube Size |
1-5/8 in. x 1-3/4 in. |
| Tube Style |
Shorty |
| Air Conditioning |
Yes |
| Automatic Transmission - Column |
Yes |
| Automatic Transmission - Floor |
Yes |
| Manual Transmission - Column |
No |
| Manual Transmission - Floor |
No |
| Tube Material Thickness |
16g |
| Flange Thickness |
0.3125 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. |
| Collector Style |
3-Bolt Gasket Style Flange |
| Notes |
70-79 Firebird, Trans Am 326-455 |
| Contents |
headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware |
| Finish |
HTC Polished Silver Ceramic-Metallic |
| Finish Type |
HTC SILVER (polished) Ceramic-metallic Coating |
| E.O. # |
No |
| Emissions Notes |
Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only. |
| Engine |
Pontiac 326-455; 59-79 |
| Header Style |
Short Tube |
| Flange Style |
Standard |
| Power Steering |
Yes |
This Part Fits:
| Year |
Make |
Model |
Submodel |
Notes |
| 1971 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
| 1972 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
| 1973 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
| 1974 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
| 1975 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
| 1976 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
| 1977 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
| 1978 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
| 1979 |
Pontiac |
Firebird |
BASE |
Emissions Notes: 1974 and earlier vehicles WITH A.I.R.: Does not require EO if existing emission controls are not removed.; Footnotes: (23) Some heads require drilling and tapping of end holes.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: No; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes |
