Precision laser cut from 3/8" thick 304 stainless, our Chevy Straight 6 header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for the Chevy Straight 6 head.
Port Size: 1.751"
We carry over 250 different header flange designs, so if you don't see the flange your looking for, talk with one of our tech reps about custom header flange cutting.
Flanges Sold Separately
