This product is a set of two gold metal cylinder head gaskets designed specifically for 2002-2014 GM V8 engines, including 4.8L, 5.3L, and 5.7L models. The gaskets are OE/OEM part numbers 12589226 and 12565390, and are made of durable metal material. They are suitable for the engine compartment placement on the vehicle and come with a bolt hole quantity of 10 or more. This product is a reliable replacement for worn-out or damaged cylinder head gaskets, ensuring a secure seal for optimal engine performance. Exact item set is shown. New open box without original packaging. Set weight 2 lbs. Made in China. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.