Package includes 12 piece of EFI Check Valve Lower FKM O-Ring
O-Ring Part Number: MC200 (also called MC200-5, MC2005, and MC200-10)
Compatible with Harley HD Check Valves on Fuel Injected Models
The Fuel line o ring is made of high-temperature resistant fluororubber, which has good corrosion resistance and cold crack resistance, high stability and not easy to break