Genuine James Gaskets uses state of the art materials and production methods to make the best gaskets availableComprehensive gasket kits for many applications as well as individual gaskets are availableVarious material choices available depending on applicationFOAMET - foam covered metalMLS - multi layered steelRCM - rubber covered metalMicropore paper gaskets with or without elastomer bead (Nitrile or Silicone)Made in the U.S.A.