BlackHeart LS Swap Exhaust Manifolds-Rear Dump SBC Exit-Black - 8506-3HKR single-plane-intake-manifolds Oxygen Sensor Location Pre and

Oxygen Sensor Location Pre and Post Converter Heat Shield Included Yes Mounting Hardware Included Yes Series HM Grade Body Material Stainless Steel Subtitle Federal / EPA Compliant Overall Length (In

37 Outside Circumference (mm) (Belt): 1864 Top Width (in) (Belt): 0

8 L6 1969 - 1973 Chevrolet K30 Pickup 250/4

2L V8 1960 - 1964 Plymouth Savoy Base 318/5

6L V8 2014 - 2018 Ford F-150 Limited 213/3

BlackHeart LS Swap Exhaust Manifolds-Rear Dump SBC Exit-Black - 8506-3HKR single-plane-intake-manifolds Oxygen Sensor Location Pre andFor 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