Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.
| Download Name | File Size |
| D332.pdf | 233.89KB |
| Make | Model | Years | Engine | Fitment Notes |
| Chevrolet | Camaro | 1970 | 6.6L / 402 / V8 | For use with 396-502 Big Block Chevrolet Engine; Big block frame stands and motor mounts required for proper fit. with Long Tube Big block frame stands and motor mounts required for proper fit. |
| Chevrolet | Camaro | 1971 | 6.6L / 402 / V8 | For use with 396-502 Big Block Chevrolet Engine; Big block frame stands and motor mounts required for proper fit. with Long Tube Big block frame stands and motor mounts required for proper fit. |
| Chevrolet | Camaro | 1972 | 6.6L / 402 / V8 | For use with 396-502 Big Block Chevrolet Engine; Big block frame stands and motor mounts required for proper fit. with Long Tube Big block frame stands and motor mounts required for proper fit. |
| Pontiac | Firebird | 1970 | 6.6L / 400 / V8 | For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1971 | 7.5L / 455 / V8 6.6L / 400 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1972 | 7.5L / 455 / V8 6.6L / 400 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1973 | 7.5L / 455 / V8 6.6L / 400 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1974 | 7.5L / 455 / V8 6.6L / 400 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1975 | 7.5L / 455 / V8 6.6L / 400 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1976 | 7.5L / 455 / V8 6.6L / 400 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1977 | 6.6L / 400 / V8 6.6L / 403 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1978 | 6.6L / 400 / V8 6.6L / 403 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Pontiac | Firebird | 1979 | 6.6L / 400 / V8 6.6L / 403 / V8 |
For use with 396-502 Big Block Chevrolet Engine Swap; Big block frame stands and motor mounts required for proper fit. with Long Tube |
| Collector Attachment | 3-Bolt Flange |
| Collector Diameter | 3.5 IN |
| Collector Port Diameter | 3.5 IN |
| Cylinder Head Port Shape | Round |
| Design | Full-length |
| Finish | Metallic Ceramic Coated |
| Flange Thickness | 0.375 IN |
| Gasket Or Seal Included | Yes |
| Gaskets Included | Yes |
| Grade Type | Performance |
| Header Material | Steel |
| Header Style | Full-length |
| Material | Steel |
| Mounting Hardware Included | Yes |
| Oxygen Sensor Port | No |
| Part Type | Exhaust Header |
| Port Shape | Round |
| Primary Tube Outside Diameter | 2.125 IN |
| Proposition 65 | www.P65Warnings.ca.gov |
| Sheen Level | Semi-Gloss |
| Tube Wall Thickness | 16 GU |
| Warranty Time | 24 Months |
