Exhaust Manifold Riser, PCM 3 inch outlet (Ford and GM 305/350 engines that are NOT high output, HO or GT40 engines), # R029001
Riser for PCM exhaust manifolds – 3.0 inch. Generally used on all PCM exhaust manifolds prior to 1991. The 3.5 inch exhaust is used on High Output (HO) engines such as all GT-40 engines and engines labeled High Output (HO) from 1991 on.Please verify if you have a 3″ or a 3.5 inch exhaust. Note: the manifolds are the same for either size riser.
The 3.5 inch riser is part no. R029011.