Stainless Header Flanges to fit GT Racing Billet 5.0" Bore Space Big Block Chevy Heads

Precision laser cut from 3/8" thick 304 Stainless Steel, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made to fit GT Racing Billet 5.0" bore Space Big Block Chevy Heads.

Sold as a set of (8)

Available as 2 1/2" Round Port.

We carry over 450 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 as set of 8