Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Square Port, 1.85 Inch x 1.90 Inch Mr Gasket Suspension - Leaf Springs - Leaf Spring Perches Rust Buster offers this frame

Rust Buster offers this frame section as a straightforward

Stainless steel internals and powdercoated black box

Extended Length mm: 541

Designed by Rough Country's in-house Research and Development team

Fits standard rotation 2015 and up Ford 8

Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Square Port, 1.85 Inch x 1.90 Inch Mr Gasket Suspension - Leaf Springs - Leaf Spring Perches Rust Buster offers this frameManufactured from high temperature steel core graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate Gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp load. Can be