Cometic Gasket CG-C10248 Primary Gasket Kit for Softail 18-UpDescription for Cometic Primary Gasket Kit C10248 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 2500F Have an 85% shape recovery while maintaining strong torque retention ideal gasket material for machined surfaces Does not require gasket sealer Primary gasket kits include all