The 67-81 4WD Small Block pickup header by HEDMAN is designed for mechanics and enthusiasts looking to upgrade the exhaust systems on classic Chevrolet four-wheel-drive trucks from the 1967 to 1981 model years. This header replaces restrictive factory cast-iron manifolds, optimizing exhaust flow for small-block V8 applications.
Constructed from heavy-duty steel tubing with mandrel-bent primaries, the 67-81 4WD Small Block pickup header maintains structural integrity under heat and vibration while reducing backpressure at mid and high RPM ranges. Its design ensures compatibility with small-block engines, enhancing performance without compromising fitment in four-wheel-drive truck chassis.
Technicians and truck builders appreciate this header for its direct bolt-on installation, making it an ideal choice for restoring vintage trucks or enhancing existing builds. Its compact dimensions allow for easy integration into tight undercarriage spaces, ensuring a seamless upgrade.
| Item Returns | This item can be returned |
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