Enginetech Prem Engine Rebuild Kit for Mercruiser Marine 4.3L Chevy Roller Camshaft. Enginetech Prem Engine Rebuild Kit for Mercruiser Marine 4.3L Chevy Roller Camshaft KIT INCLUDES: PISTONS RINGS ROD BEARINGS MAIN BEARINGS CAM BEARINGS OIL PUMP TIMING SET FREEZE PLUGS COMPLETE GASKET SET HEAD BOLT SET.