GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 Windshield Parts 270500152​​​​​​​ Carburetor Assembly

GM 3859167 Piston Connecting Rod Set MerCruiser 733-227 2.5L 120hp 4cyl 1964-72 Windshield Parts 270500152​​​​​​​ Carburetor AssemblyPart Numbers (GM MerCruiser OMC Stringer OMC Cobra) Piston (Standard Size, but undersized for anything after 1972)) GM 3859167 (stamped) MerCruiser 736 2278 OMC (GM 3860407) Connecting Rod GM ??? (Likely GM 3788435) MerCruiser 613 2277 OMC (GM 3788435) General Application Compatibility Above all else, it's always a good idea to match the number stamped on your existing pistons! MerCruiser & OMC GM 2. 5L 4cyl 120hp 153CID applications roughly 1964 1972

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