7 Anti-pollution devices for motors and engines; Bearings, as parts of machines; Combustion engine fuel nozzles; Connecting rods for machines, motors and engines; Cylinder heads for engines; Engines for air cushion vehicles; Exhausts for motors and engines; Fan belts for motors and engines; Fans for motors and engines; Filters for cleaning cooling air, for engines; Gears and enclosed drives for industrial machinery; Hydraulic engines and motors; Ignition devices for motors of land vehicles; Internal combustion engine parts, namely, pistons; Pumps for machines; Starters for motors and engines; Valves for pumps; Vehicle engine parts, namely, charge air coolers and their component parts