Patriot Exhaust's machined header flange kits are available for many popular engine families. Header flange kits include gaskets and header bolts in most applications. Manufactured from 5/16" thick material.
Product Features:- Patriot Exhaust H7884 Header Flange Kit Cadillac 425,500 1 7/8" Square Port 5/16"
- Precision machined flanges