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Chevy LS7 LSX Header Flange

Chevy LS7 LSX D Port Header Flange

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Product Code: RM2530RHFMS
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Preformed Flange Stubs:
Preformed Stub Size:

Precision laser cut from 3/8" thick mild steel, our header flanges are manufactured in the U.S. These header flanges are specifically made for the GM Chevy 7.0L 427ci LS7. This flange has D port and can be used with LS1, LS2, LS6, LS7, LS9, and most other LSX applications.
Port Size: 1.841"
Preformed flange stubs are 2"-3" long, and have one end perfectly formed to the port shape of the flange using the appropriate tubing size for that port. This can drastically decrease overall build time. If you have questions on sizing or other options, talk with one of our techs for more information.

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.

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