Big Block Chevy 1/2" Thick Stainless Turbo Header Flange

Precision laser cut form 1/2" thick 304 Stainless Steel, our turbo header flanges are manufactured in the U.S. and are machine surfaced. These turbo header flanges are specifically made for Big Block Chevy heads. Many aftermarket heads also utilize the stock Big Block Chevy bolt pattern.�

These flanges fit the stock 4.84" cylinder bore space heads.

We carry 1/2" Thick BBC flanges in the 2 1/4" port size for turbo and blower applications, as well as nitrous motors, or any other high-temp racing configuration.

We carry over 300 different header flange designs, so if you don't see the flange you're looking for, talk with one our tech reps about custom header flange cutting.

Flanges sold separately.