Seal Kit Primary M8 StPrimary Gasket KitCometic'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 205F Have an 85% shape recovering while maintaining strong torque retention ideal gasket material for machined surfaces Kit includes all gaskets, seals and O rings required for both the inner and outer primary