Precision laser cut from 3/8" thick Mild Steel, our header flanges are manufactured in the U.S.A. and are machine surface. These header flanges are designed for the VW 1.8l 16v cylinder head. This engine was found in 1997-2006 Passat, classified as the K04.
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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