12 PARTS FOR INTERNAL COMBUSTION ENGINES OF THE RECIPROCATING PISTON TYPE, NAMELY, CYLINDER SLEEVES, VALVES, VALVE GUIDES, VALVE KEYS, VALVE SPRINGS, WATER PUMPS, TAPPETS, ROCKER ARM ASSEMBLIES, CAMSHAFTS, PUSH RODS, BEARINGS, OIL PUMPS, TIMING GEARS, TIMIN CHAINS, SPROCKETS, FAN CLUTCHES, ANTI-FRICTION BALL AND ROLLER BEARINGS, AND MOTOR MOUNTS, ALL FOR LAND VEHICLES