motorcycle valve oil seal 1.Certification: ISO 9001: 2001 3. ... FPM motorcycle oil seal1.We offer Fork oil seal and oil seal set for motorcycles. HONDA, YAMAHA, KAWASAKI, ... duty machine ,pump and other euquipment .2) Material : NBR, FPM (VITON) , MVQ (SILICONE) , ACM ,EPDM ,PTFE(teflon) ,HNBR ... 500mm4) Specialized in design and manfactureing all the oil seal, water seals, gasket,washer ,PTFE seals, PTFE ...