Patriot Exhaust's precision machined header flange kits are available for many popular engine families. Header kits include gaskets and header bolts on most applications. Manufactured with 3/8" heavy duty material.
Product Features:- Patriot Exhaust H7831 Header Flange Pair Chevrolet Small Block 265-400 Tube Diameter 1 5/8" Round Port
- Precision machined header flanges