Chevy LS1, LS2, LS3, LS6 Stainless Header Flange

Precision laser cut form 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 for Chevrolet LS heads. Many aftermarket heads also utilize the stock LS bolt pattern.

Port Size: 1 5/8", 1 3/4", 1 7/8", 2" and 2 1/8" ports are available.

1/2" Thick Flanges also available for turbo builds in the 2" round port configuration.

We carry over 250 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.