Patriot Header Flange - 0.375 in Thick - 2.23 x 1.85 in D Port - Big Block Chevy - Pair Drive Flange 18/18 Spline

18/18 Spline

Hassle Free Easy Bolt-On Installation

LSRBlwr 235/251 LSThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

Mercury: Brougham 67 - 67 7 L Engine

Hard-coat anodized for extended durability

Patriot Header Flange - 0.375 in Thick - 2.23 x 1.85 in D Port - Big Block Chevy - Pair Drive Flange 18/18 SplinePatriot Exhaust H7898 BB Chevrolet 572 2" 2 1 8" D 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 Camaro,