Patriot Header Flange Kit - GM LS1 - 3/8 Thick 2-Piece Timing Cover or rear end

or rear end

2bbl manifold and/ or 4-bolt

Above this RPM

2001-2013 Chevrolet Express 3500

1962-1967 Chevrolet P10 Series

Patriot Header Flange Kit - GM LS1 - 3/8 Thick 2-Piece Timing Cover or rear endPatriot Exhaust H7893 Chevrolet LS1 LS6 1 5 8" 1 3 4" Round Port Header Flanges. 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 and trucks including