Mr. Gasket 7430G - Header Gaskets - Aluminum-Layered - 383-440 Chrysler Big Block B/RB 1959-80

Port Diameter 1.88" x 1.38" Port Shape Rectangle 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.