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 made for the 500 CID Pro-Stock 99/06 Hemi motors. The bolt pattern is unique to this flange and the 500 CID split flange. NOT compatible with the 426 Hemi flanges.
Port Size: 2.188". D-Port
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 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 separately.
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