Hooker BlackHeart Cast Iron Exhaust Manifold - 2-1/2 in Outlet - GM LS-Series - Black Ceramic Coated (Pair) 1139801 While mileage is typically an

While mileage is typically an effective measurement of maintenance intervals on an engine

880 in Bore

Clevite product has been winning NASCAR sanctioned races since 1948

Triangular braces molded into the lower nose add strength for those nights when there's a big cushion

high stall torque converter

Hooker BlackHeart Cast Iron Exhaust Manifold - 2-1/2 in Outlet - GM LS-Series - Black Ceramic Coated (Pair) 1139801 While mileage is typically anFor 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 and rear dump SBC exit 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. While almost the same as