James Gasket Exhaust Port Gasket Kit - Graphite Wire Gaskets and Heavy-Duty Hex Nuts JGI-65324-83-KWG2 Genuine James Gaskets uses state of the art materials and production methods to make the best gaskets available Comprehensive gasket kits for many applications as well as individual gaskets are available Various material choices available depending on application FOAMET - foam covered metal MLS - multi layered steel