Enhancement parts for internal combustion engines, namely, fuel catalysts; Exhausts for motors and engines; Glow plugs for diesel engines; Ignition parts for internal combustion engines, namely, condensers; Ignition wires for vehicle engines; Internal combustion engine parts, namely, pistons; Internal combustion engines land vehicle parts, namely, distributor rotors; Piston rings; Spark plugs; Sparking plugs for internal combustion engines