Mr. Gasket 7406G - Header Gaskets - Aluminum-Layered - 364, 376, 427 GM Small Block Gen III/IV (LS Based) 2005-17

Port Diameter 1.92" Port Shape Round Collector Gaskets Included No Features and Benefits: - Reusable header or exhaust manifold gasket set. - Conforms to and seals surface irregularities (warped flanges). - Will not shrink, deteriorate, or blow out. - Compresses to .060", creates tight leak proof seal.