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8 V6 1977 - 1979 Oldsmobile Omega 231/3
7 V8 1970 - 1973 GMC G35/G3500 Van 307/5 V8 1970 - 1973 GMC Jimmy 307/5 V8 1970 - 1974 GMC G35/G3500 Van 350/5
5L V6 1999 - 2000 Ford F-150 Base 330/5
4 V8 1991 - 1993 GMC K2500 454/7
9 V8 1952 - 1953 Ford Mainline 239/3
BlackHeart LS Swap Exhaust Manifolds-Rear Dump-Natural Cast - 8505HKR 409-stainless 8 V6 1977 - 1979For 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
