... 2.Certification:ISO9001:2001 Motorcycle cylinder cushion:product and sell all kinds of Motorcycle ... cylinder cushion: 1. Material: NBR, SILICONE, VITON,HNBR, CR ... Gasket is welcomed as well.7. Apply for: Auto, motorcycle, machinery, water pumps, valves, etc.8 ... seals, rubber sheet, rubber mat, O-ring, auto and motorcycle parts, oil drilling and mining rubber parts ...