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 |
| D3336.pdf | 209.39KB |
| Make | Model | Years | Fitment Notes |
| Buick | Skylark | 1964 - 1967 | For use with Chevrolet LS Engine Swap. Use with Doug's Engine and Transmission mount kits. Mid Length |
| Buick | Sportwagon | 1964 - 1967 | For use with Chevrolet LS Engine Swap. Use with Doug's Engine and Transmission mount kits. Mid Length |
| Chevrolet | Chevelle | 1964 - 1967 | For use with Chevrolet LS Engine Swap. Use with Doug's Engine and Transmission mount kits. Mid Length |
| Chevrolet | El Camino | 1964 - 1967 | For use with Chevrolet LS Engine Swap. Use with Doug's Engine and Transmission mount kits. Mid Length |
| Pontiac | GTO | 1964 - 1967 | For use with Chevrolet LS Engine Swap. Use with Doug's Engine and Transmission mount kits. Mid Length |
| Pontiac | LeMans | 1964 - 1967 | For use with Chevrolet LS Engine Swap. Use with Doug's Engine and Transmission mount kits. Mid Length |
| Pontiac | Tempest | 1964 - 1967 | For use with Chevrolet LS Engine Swap. Use with Doug's Engine and Transmission mount kits. Mid Length |
| Collector Attachment | Slip fit |
| Collector Diameter | 3.0 IN |
| Collector Port Diameter | 3.0 IN |
| Cylinder Head Port Shape | Round |
| Design | Mid Length |
| Flange Thickness | 0.375 IN |
| Gasket Or Seal Included | Yes |
| Gaskets Included | Yes |
| Grade Type | Performance |
| Header Style | Mid Length |
| Mounting Hardware Included | Yes |
| Oxygen Sensor Port | No |
| Part Type | Exhaust Header |
| Port Shape | Round |
| Primary Tube Outside Diameter | 1.875 IN |
| Proposition 65 | www.P65Warnings.ca.gov |
| Tube Wall Thickness | 16 GU |
| Warranty Time | 24 Months |
