This is a brand new set of two GM 24507249 cylinder head gaskets, made specifically for Chevrolet, Buick, and Pontiac 3.1L V6 engines. These gaskets are made of metal and have a bolt hole quantity of 10 or more. They have not been coated and do not come with a manufacturer warranty. These gaskets are perfect for anyone in need of a replacement for their engine compartment, and are compatible with OE/OEM part number 24507249 and interchange part number 9957PT. They are not a vintage part and have universal fitment. Buy with confidence for your engines and engine parts needs.