Patriot Header Flange Kit - SB Chevy 3/8 Thick 4903 - Mounting holes at the

- Mounting holes at the 10 o'clock and 2 o'clock positions are NOT used on VORTEC series engine fitments

17" Total Height: Plenum Configuration w/105mm Long

Drag Link Tether

and eliminates wire-bond loops

PN 2701 and PN 2702

Patriot Header Flange Kit - SB Chevy 3/8 Thick 4903 - Mounting holes at thePatriot Exhaust H7863 Header Flange Pair Chevrolet Small Block 265 400 Tube Diameter 1 5 8" Oval 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