Precision laser cut from 3/8" thick 304 Stainless steel, our header flanges are manufactured in the U.S. and are machine surfaced.
Port Size: 2.002"

Precision laser cut from 3/8" thick 304 Stainless steel, our header flanges are manufactured in the U.S. and are machine surfaced.
Port Size: 1 3/4" and 2" ports available

Round Port SBC Gen II LT1 Stainless Header Flange-
Port Size: 1.630"

Precision laser cut from 3/8" thick 304 Stainless steel, our header flanges are manufactured in the U.S. and are machine surfaced.
Port Size: 2.230"

Precision laser cut from 3/8" thick 304 Stainless steel, our header flanges are manufactured in the U.S. and are machine surfaced.
Port Size: 2.230"

Precision laser cut from 3/8" thick mild steel, our header flanges are manufactured in the U.S. and are machine surfaced.
Port Size: 1.522"

Precision laser cut from 3/8" thick 304 Stainless steel, our header flanges are manufactured in the U.S. and are machine surfaced.
Port Size: 2.500"

Precision laser cut from 1/2" thick 304 stainless, these header flanges are specifically made for the spread port stahl-pattern heads

Precision laser cut from 1/2" thick 304 stainless, these header flanges are specifically made for the spread port stahl-pattern heads

Precision laser cut from 3/8" thick 304 stainless, these header flanges are specifically made for the spread port stahl-pattern heads

Precision laser cut from 3/8" thick 304 stainless, these header flanges are specifically made for the Big Block Chevy 5.0" Bore Spacing Stainless Heads

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 Big Block Chevy head.

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