vehicle parts, namely, carburetors; vehicle parts, namely, engine cases; combustion chambers being engine parts; piston rings being engine parts; vehicle engine parts, namely, rocker arms; vehicle engine parts, namely, oil coolers; internal combustion engine parts, namely, heads; internal combustion engine parts, namely, pistons; internal combustion engine parts, namely, piston rings; internal combustion land vehicle engine parts, namely, connecting rods; ignition parts for internal combustion engines, namely, points; internal combustion engines land vehicle parts, namely, coils; fuel and air mixture regulators being parts of internal combustion engines