Patriot Seal-4-Good Header Gasket - 2.125 in Square Port - Multi-Layered Aluminum - Big Block Chevy (Pair) 3104CPG 1/8 NPT Boost Reference Port

1/8 NPT Boost Reference Port

1971-1979 Mercury Cougar

Records highest rpm reached during race

Designed and Tested with Factory Electronic Damper Systems

Patriot Seal-4-Good Header Gasket - 2.125 in Square Port - Multi-Layered Aluminum - Big Block Chevy (Pair) 3104CPG 1/8 NPT Boost Reference PortProduct 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