Small Block Ford 351-Windsor Single Port 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 the stock 351W engines and utilizes the stock 2 1/2" bolt spacing pattern.

Port Size: 1.835"

Nominal Tube Size: 1 3/4" (1 3/4" recommended due to bolt location)

Flanges sold as sets of 4.

Preformed Flange Stubs are 2"-3" in length, and are formed to perfectly fit the non-round port in the flange. Stubs drastically reduce overall build time and increase builder's efficiency.

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.