Patriot Header Flange - 0.375 in Thick - 2 in Round Port - Big Block Chevy - Pair 4087RD Cast Aluminum Differential Cover for

Cast Aluminum Differential Cover for GM 8

1984-1995 GMC K2500 Suburban

so that it can be installed on a manifold machined for a 4150 or 4500 series carburetor

Pontiac/Brodix Head

Patriot Header Flange - 0.375 in Thick - 2 in Round Port - Big Block Chevy - Pair 4087RD Cast Aluminum Differential Cover forPatriot Exhaust H7899 Header Flange Chevrolet Big Block 396 502 Tube Diameter 1 3 4" 2" Same As Port. Precision machined header flanges Heavy duty 3 8" thick material Supplied with our premium head gaskets A wide variety of tube diameters and port shapes available; Patriot Exhaust products continue to offer the best value for the dollar of any brand in the industry. This year's product offering presents sixteen new applications for popular muscle cars