Motor Vehicle Gasoline Engine and Engine Parts Manufacturing This industry comprises establishments primarily engaged in (1) manufacturing and/or rebuilding motor vehicle gasoline engines and engine parts and/or (2) manufacturing and/or rebuilding carburetors, pistons, piston rings, and engine valves, whether or not for vehicular use. Carburetors, all types, manufacturing Crankshaft assemblies, automotive and truck gasoline engine, manufacturing Cylinder heads, automotive and truck gasoline engine, manufacturing Fuel injection systems and parts, automotive and truck gasoline engine, manufacturing Gasoline engines for hybrid automotive vehicles manufacturing Manifolds (i.e., intake and exhaust), automotive and truck gasoline engine, manufacturing Pistons and piston rings manufacturing Pumps (e.g., fuel, oil, water), mechanical, automotive and truck gasoline engine (except power steering), manufacturing Timing gears and chains, automotive and truck gasoline engine, manufacturing Valves, engine, intake and exhaust, manufacturing