... suitable to automobile, motorcycle, truck, tractor and etc.2. Piston pin for many type cars: Toyota, Nissan, Benz, Caterpillar, Komatsu, ... Isuzu, Mitsubishi and etc.3. Piston pin with high wear resistance, good storage oil and high corrosion ... , cylinder block, cylinder liner,3.piston, piston ring,4.engine valve, engine bearing,5.oil nozzle, oil seal, 6.oil pump ...