Mercruiser GM Small Block Exhaust Manifold | Barr Marine MC-1-77235 Blue Sea Systems Oil Pump 7100470

Oil Pump 7100470

For Prestolite V8 clip down cap marine distributors

and 3856039

Replaces Indmar 645002

Mercruiser GM Small Block Exhaust Manifold | Barr Marine MC-1-77235 Blue Sea Systems Oil Pump 7100470Mercruiser GM Small Block Exhaust Manifold Barr Marine MC 1 77235 Starboard side log style manifold fits Mercruiser 198, 228, 255, 260, & 898 model marine engines. Barr Mercruiser GM V8 Starboard Exhaust Manifold Direct replacement Mercruiser GM small block log style exhaust manifold Starboard 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