Mercruiser GM V-8 Aftermarket Exhaust Manifold - 8.1L & 8.2L | Barr Marine MC-1-866178Mercruiser GM V 8 Aftermarket Exhaust Manifold 8. 1L & 8. 2L Barr Marine MC 1 866178 Barr Marine GM 8. 1 and 8. 2L cast iron center rise exhaust manifold without the water rail. Can be used for the port or starboard side of the engine. Mercruiser GM V 8 Aftermarket Exhaust Manifold 8. 1L & 8. 2L Fits MCM MIE 8. 1L & 8. 2L nonEC engines Barr Marine GM 8. 1 and 8. 2L cast iron center rise exhaust manifold without the water rail This kit includes the