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.
| Make | Model | Years | Fitment Notes |
| Buick | Skylark | 1975 - 1979 | O2 bungs are welded on both collectors. Includes O2 sensor extension harness. Requires Doug's LS1 adapter plate kit P/N SK100 or equivalent. Will not fit manual transmission cars with factory Z bar clutch linkage. Uses 3" V band collectors with clamps provided. GM LS Engine Swap. Full-length |
| Chevrolet | Camaro | 1970 - 1981 | O2 bungs are welded on both collectors. Includes O2 sensor extension harness. Requires Doug's LS1 adapter plate kit P/N SK100 or equivalent. Will not fit manual transmission cars with factory Z bar clutch linkage. Uses 3" V band collectors with clamps provided. GM LS Engine Swap. Full-length |
| Chevrolet | Nova | 1975 - 1979 | O2 bungs are welded on both collectors. Includes O2 sensor extension harness. Requires Doug's LS1 adapter plate kit P/N SK100 or equivalent. Will not fit manual transmission cars with factory Z bar clutch linkage. Uses 3" V band collectors with clamps provided. GM LS Engine Swap. Full-length |
| Oldsmobile | Omega | 1975 - 1979 | O2 bungs are welded on both collectors. Includes O2 sensor extension harness. Requires Doug's LS1 adapter plate kit P/N SK100 or equivalent. Will not fit manual transmission cars with factory Z bar clutch linkage. Uses 3" V band collectors with clamps provided. GM LS Engine Swap. Full-length |
| Pontiac | Firebird | 1970 - 1981 | O2 bungs are welded on both collectors. Includes O2 sensor extension harness. Requires Doug's LS1 adapter plate kit P/N SK100 or equivalent. Will not fit manual transmission cars with factory Z bar clutch linkage. Uses 3" V band collectors with clamps provided. GM LS Engine Swap. Full-length |
| Pontiac | Phoenix | 1977 - 1979 | O2 bungs are welded on both collectors. Includes O2 sensor extension harness. Requires Doug's LS1 adapter plate kit P/N SK100 or equivalent. Will not fit manual transmission cars with factory Z bar clutch linkage. Uses 3" V band collectors with clamps provided. GM LS Engine Swap. Full-length |
| Pontiac | Ventura | 1975 - 1977 | O2 bungs are welded on both collectors. Includes O2 sensor extension harness. Requires Doug's LS1 adapter plate kit P/N SK100 or equivalent. Will not fit manual transmission cars with factory Z bar clutch linkage. Uses 3" V band collectors with clamps provided. GM LS Engine Swap. Full-length |
| Collector Attachment | V-Band |
| Collector Diameter | 3.0 IN |
| Collector Port Diameter | 3.0 IN |
| Cylinder Head Port Shape | Round |
| Design | Full-length |
| Flange Thickness | 0.375 IN |
| Gasket Or Seal Included | Yes |
| Gaskets Included | Yes |
| Grade Type | Performance |
| Header Style | Full-length |
| Mounting Hardware Included | Yes |
| Oxygen Sensor Port | Yes |
| 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 |
