Up for sale is a set of header exhaust gaskets for a V8 Oldsmobile engine. This is for a set of 2 gaskets. These high quality American made gaskets and made from Interface HTX-900 material for marine applications. HTX-900 is a composite gasket structure consisting of graphite-coated, high-temperature facing material chemically and mechanically fused to an expanded steel core. It is intended for exhaust manifold, header, collector, and EGR system gaskets, as well as other industrial sealing applications that require high strength, thermal integrity, and anti-stick performance. We ship USPS First Class Mail for quick delivery and easy tracking!