Air filters for automobile engines; Automotive exhaust pipe; Fuel filters for vehicle engines; Ignition coils for automotive engines; Ignition wires for vehicle engines; Metal engine gaskets for vehicles; Oil filter adapters; Radiators for motors and engines; Self-lubricating mechanical friction parts, especially of composite materials, namely, wear rings, washers, bushings, spherical bearings, bearing pads, sliding blocks and machine transmission gears all for load bearing machines, conveyors, handling trucks and machines, lifting machines, agricultural machinery, construction equipment machines and hydraulic turbines; Spark plugs; Water pumps for land vehicles