GM Performance Head Gasket, Composite, 4.370 in. Bore, .039 in. Compressed Thickness, Chevy, Big Block, Each (PART #GMP-12363412)

GM Performance has the official parts that your classic vehicle needs to keep it in pristine condition, including these head gaskets, which offer a precision fit between the cylinder head and header to improve exhaust flow. These head gaskets feature durable quality construction to maintain a reliable seal under high pressure and temperature changes. Whether you're installing a new set of heads or are just reinstalling your stock factory manifolds, add GM Performance head gaskets to ensure a precision fit and a tight, leak-free seal.