Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block. Round Ports, 2.15 Inch 2000-bmw-x5-esi6091832 304 in OD - Set

304 in OD - Set of 16

Primer - Acrylic Lacquer - Light Gray - 16 oz Aerosol - Each

Shock - AC Series - Twintube - 10

5 in Thick - Bushing / Hardware Included - Aluminum - Clear Anodized - Chevy V8 / Ford V8 - Each

Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block. Round Ports, 2.15 Inch 2000-bmw-x5-esi6091832 304 in OD - SetManufactured 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