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Buick Header Flanges

Our American made Buick stainless header flanges are precision laser cut from .375 stainless to our exacting specifications. We carry over 250 different header flanges designs. Many of the popular models come in optional primary tube port sizes. They come pre-surfaced and ready for your header building project. If you don't see the flange your looking for, talk with one of our tech reps about custom header flange cutting.

Check Out Our Full Line Of Complete Buick Header Build Kits
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Buick Nailhead Stainless Header Flange
Buick Nailhead Header Flange
Our Price: $34.95

Precision laser cut from 3/8" thick 304 stainless, our header flanges are manufactured in the U.S. and are machine surfaced. These Buick Nailhead header flanges are sold as a single flange, requires 2 flanges per head. more info
Buick V-6 "Fireball" Stainless Header Flange
Buick V-6 "Fireball" Stainless Header Flange
Our Price: $49.95

Precision laser cut from 3/8" thick 304 stainless, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for the V-6 Fireball engine made by Buick in 195, 225, and 231 cubic inch blocks from 1962-1981.
Port Size: 1 .551"
more info
Buick 455 Stage III GSX Stainless Header Flange
Buick 455 Stage III GSX Stainless Header Flange
Our Price: $59.95

Precision laser cut from 3/8" thick 304 stainless, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for the Stage II and Stage IV V-8 engine made by Buick specially for the GSX in 1970.
Port Size: 2.015"
more info
Buick 455 Stainless Header Flange
Buick 455 Stainless Header Flange
Our Price: $59.95

Precision laser cut from 3/8" thick 304 stainless, our header flanges are manufactured in the U.S. and are machine surfaced. These header flanges are specifically made for the Buick 455 c.i. engine.
Port Size: 1.904"
more info