Mr Gasket - 152A - Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block - Round Ports, 2.15 Inch

Mr. Gasket Performance exhaust gasket material is a heavy duty material, .062 inch thick, consisting of an acrylic binder system to resist high temperature. This material is made for sealing exhaust applications. Provides excellent sealing and durability.