This product is a kit of OE Spec engine cylinder head bolts designed for 4.8, 5.3, 5.7, and 6.0 engines in Chevrolet, GMC, Buick, and Cadillac vehicles from 2004 to 2009. The head bolts are made of carbon alloy steel and come with a manufacturer warranty. The kit includes head bolts for a direct replacement fit, with a greasable or sealed design. The product fits engines with the 2nd design head bolts and is compatible with compatible engines as listed. The brand is Domestic Gaskets, and the interchange part numbers are ES72220 and ES72390.
