The ACDelco Complete Head Gasket, Valve Cover, Intake Gasket, and Exhaust Gasket Kit is designed specifically for 5.3 engines. This gasket kit includes a steel head gasket and intake gasket, making it a high-quality performance part for your vehicle. The OE/OEM part number is 12700996, and it is manufactured in the United States with a focus on quality and durability. The kit is placed in the engine compartment and comes with a California Prop 65 warning regarding cancer and reproductive harm.