Stainless Works BBC Round Port 304SS Exhaust Flanges 2-1/2in Primaries (Raised Port Heads Only)

Big Block Chevy round port header exhaust flanges. These flanges come as a pair and are designed for 2-1/2″ primaries, also these are used only for raised port BBC 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.