Mercruiser GM Small Block Exhaust Manifold | Barr Marine MC-1-77234

Mercruiser GM Small Block Exhaust Manifold | Barr Marine MC-1-77234 Port side log style manifold fits Mercruiser 198, 228, 255, 260, & 898 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 small block log style exhaust manifold Port side For Mercruiser 198, 228, 255, 260 and 898 models Includes gaskets and mounting hardware 2 1/2 in. x 1 7/8 in. exhaust elbow port size Heavy duty cast iron Painted black Replaces Barr MC1-77234 Replaces Osco 7234B Replaces Mercruiser 77234A2 and 77234A7