internal combustion engines parts, namely, camshafts, pistons, pistons rings, valves train parts, namely, valves, valve guides, valve seats, push rods, rocker arms, tappets, springs

ENGINE VALVES, VALVES GUIDES, VALVE SEATS FOR MACHINES; ENGINE VALVES, VALVES GUIDES, VALVE SEATS FOR GASOLINE AND DIESEL MOTORS FOR LAND, AIR AND MARINE VEHICLES