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 flat-6 engines used in the original series of Porsche 911s from 1976-1983. These flanges are sold as a set of all (6) flanges required to build a set of custom Porsche headers.
Port Size: 1.750"
We carry over 250 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.
Flanges sold as a full set.
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