Patriot Seal-4-Good Header Gasket - 2.125 in Square Port - Multi-Layered Aluminum - Big Block Chevy (Pair) 3104CPG 2-Circuit Models

2-Circuit Models

Copper Alloy Conduct Less Than 50 Ohms Resistance

1971-1979 Mercury Cougar

1/8 NPT Boost Reference Port

Records highest rpm reached during race

Patriot Seal-4-Good Header Gasket - 2.125 in Square Port - Multi-Layered Aluminum - Big Block Chevy (Pair) 3104CPG 2-Circuit ModelsProduct Description: Exhaust Header Manifold Gasket Seal 4 Good 2. 125 in Square Port Multi Layered Aluminum Big Block Chevy Pair Patriot Exhaust products continue to offer the best value for the dollar of any brand in the industry. If you need components to build your own header and exhaust system Patriot Exhaust is the place to come! Mild steel, 304 stainless steel and aluminized bends are available in 1 1 4 to 4 diameters with a multitude of radius