This head gasket kit is the OEM replacement gaskets found on the Generation V LT1 Camaro SS. Must replace head bolts upon changing the head gaskets on the LT1. Here is the OEM head bolt kit HERE.
General Motors is an OEM manufacturer. GM designs and creates the vehicles and the parts for them for makes such as Buick, Cadillac, GMC, and Chevrolet. All GM branded parts are OEM standard quality components and were designed and manufactured to either be on the vehicle from the factory or purchased after the fact as an accessory.