Big Block Chevy Raised Round Port Stainless Header Flanges

Stainless Works Round Big Block Chevy Raised Port header exhaust flanges. These flanges come as a pair and are designed for 2-1/2″ or 2-3/8″ primaries on only raised port heads, laser-cut from heavy-duty 3/8″ thick 304 stainless steel for superior resistance to warping from high heat, and comes with a limited lifetime warranty.