Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers and particulate traps; Air-intake tubes and filters for after-market installation of automotive engines; Automobile oil pans; Catalytic converters for motors and engines; Cylinder heads for engines; Hydraulically actuated tools, namely, pliers and hammers; Oil coolers for engines; Radiators for motors and engines; Valves being engine parts for introducing fuel-air mixtures into the combustion chambers of in...