... price/OEM 2.Certification:ISO9001:2001 Motorcycle cylinder cushion:product and sell all kinds of Motorcycle cylinder cushion: 1. Material: NBR, ... Rubber Seal or O-Ring and Rubber Gasket is welcomed as well.7. Apply for: Auto, motorcycle, machinery, water pumps, ... sheet, rubber mat, O-ring, auto and motorcycle parts, oil drilling and mining rubber parts and other rubber products. The material of these ...