Hooker BlackHeart LS Swap Exhaust Manifolds-Rear Dump-Black - 8505-3HKR cylinder-heads-and-parts 8 L6 1969 - 1973

8 L6 1969 - 1973 Chevrolet K10 Suburban 250/4

6 V8 1962 - 1965 Ford Fairlane 170/2

Gasket offers a polished stainless steel overflow and recovery tank that can be easily mounted anywhere

proper calibration is difficult if you don't know the exact percentage of ethanol-to-gasoline in the fuel

Hooker BlackHeart LS Swap Exhaust Manifolds-Rear Dump-Black - 8505-3HKR cylinder-heads-and-parts 8 L6 1969 - 1973For applications or projects where our standard LS swap manifolds (8501HKR, 8502HKR, 8503HKR series) don't quite fit and our "center dump" manifold (8504HKR) exits too far forward, our new "rear dump" cast iron swap manifolds have arrived. These differ in that they exit in a straight down fashion much like a block hugger header but exit more toward the rear of the engine than our "center dump" manifolds. Cast out of the same Hi Silicon Moly Ductile