Aftermarket automobile engine exhaust systems comprised of castings, flanges, pipes, flex sections, oxygen sensor bungs, catalytic converters, clamps, mufflers, resonators, exhaust tips, exhaust valves; Air compressors for vehicles; Automotive parts, namely, turbocharger systems; Bearings, as parts of machines; Carburetors; Connecting rods for machines, motors and engines; Crank shafts for automobile engines; Engine cooling radiators; Generators for land vehicles; Ignition coils for automotive engines; Intake manifolds for internal combustion engines; Internal combustion engine parts, namely, pistons; Parts for compressed-air tools, namely, brakes, filters, hoses, pipes, couplings valves, switches, compressors, clamping tools and injectors; Pumps as parts of machines, motors and engines; Rocker arms for engines; Starter motors; Timing belts for machines; Turbochargers for automotive engines; Valves being engine parts for introducing fuel-air mixtures into the combustion chambers of internal combustion engines; Valves being parts of machines