AMC 360/390/401 Rect. Port Stainless Steel Header Flange

AMC 360/390/401 Rect. Port Stainless Steel Header Flange

Precision laser cut from 3/8" thick 304 Stainless Steel, our header flanges are manufactured in the U.S.A. and are machine surface. These header flanges are designed for the AMC 304-401 cid engines with the square port/rectangular port heads.

Port Size: 1 3/4" and 1 7/8" port flanges available

Preformed header flange stubs are 2"-3" in length, with one end perfectly formed to the shape of the exhaust port on the header flange. Many flanges come with several options in primary tube sizing that is pertinent to each application.

We carry over 450 different flange designs, if you don't see something you need, or for any questions, give one of our specialists a call at 1-800-290-3920. Custom flange designs and one-off laser cutting on header flanges is also available.