Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block. Square Ports, 2.09 Inch GM Avalanche/Escalade/Sierra/Sierra Limited/Silverado/Silverado LD Premium Stainless-Steel Clamps and a

Premium Stainless-Steel Clamps and a Silicone Coupling are used for Strength and Durability Price includes applicable core fee

5" Suspension Lift for '82 - '04 Chevy S-10/Blazer models

There's something about wearing a favorite shirt ΓÇô one that fits well and is made just for you

Returns vehicle to stock when reversing

5-2003 models with a high-boost compressor wheel

Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block. Square Ports, 2.09 Inch GM Avalanche/Escalade/Sierra/Sierra Limited/Silverado/Silverado LD Premium Stainless-Steel Clamps and aManufactured 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