1967 Chevy 153 4 cylinder Mercrusier 120 hp engine. Rebuilt, complete less intake/exhaust manifold. Bored .040 over, new pistons, rings, bearings, gaskets .New valves, springs and seals. Cylinder head surfaced and magnafluxed. Hardened exhaust valve seats installed . Includes carburetor, starter , distributor, flywheel, bell housing for outdrive. I planned on using this engine for a project I will never get around to.