About Seller: Since 1937, we have specialized in the manufacturing of a wide range of gaskets including automotive, die cut, metal, neoprene, rubber, and Teflon® varieties, as well as custom gaskets in various sizes and materials. Our company, GMC, is proud to have achieved ISO 9001:2000 and AS 9100:2004Rev.B certification. For all your gasket needs, please feel free to contact us.