*** IN STOCK SHIP TODAY *** Enderle -6/-8 fuel shut off Polyurethane O-ring seal. Every racer should have an extra one of these in the parts box so you are not stranded on race day if there is a failure. This O-ring goes behind the serrated portion of the shaft on the shut off spool.
O-ring seal is made from durable Polyurethane and will work with gasoline or alcohol fuels. Fits all -6 or -8 Enderle shut off valves and is .070" in diameter. O-rings are sold each.