Precision laser cut from 3/8" thick 304SS, our header flanges are manufactured in the U.S.A. and are machine surfaced. These header flanges are designed for the VW/Audi 1.8l 16v cylinder head.
Port Size: 1.630" Round port
We carry over 300 different flange designs, if you don't see something you need, or for any questions, give one of our specialists a call at 1-800-290-3920. Custom flange designs and one-off laser cutting on header flanges is also available.
These flanges fit the Victor-Reinz Gasket #71-31958-00
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