BRAND NEW PART # C9210 Primary Gasket, Seal, and O-Ring Kit Fits 1986-1990 Harley XL Models Cometic’s proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside Gaskets have resistance to temperatures of more than 2500 F Have an 85% shape-recovering while maintaining strong torque retention – ideal gasket material for machined surfaces Does not require gasket sealer Kits include all gaskets, seals and O-rings required for both the inner and outer primary