BlackHeart LS Swap Exhaust Manifolds-Rear Dump SBC Exit-Black - 8506-3HKR single-plane-intake-manifolds 4 V8 1968 - 1969

4 V8 1968 - 1969 Checker Marathon Base 327/5

8 L6 1969 - 1973 Chevrolet K30 Pickup 250/4

Oxygen Sensor Location Pre and Post Converter Finish Stainless Steel Material Stainless Steel Series OEM Grade Outlet Attachment Bolt-On Subtitle Federal / EPA Compliant Title OEM Grade Direct-Fit Type Direct-Fit Clamp Included Yes Mounting Hardware Included Yes Body Material Stainless Steel Overall Length (In

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5411652

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

BlackHeart LS Swap Exhaust Manifolds-Rear Dump SBC Exit-Black - 8506-3HKR single-plane-intake-manifolds 4 V8 1968 - 1969For 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