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The Supertech valve guide conversion set for VW applications adapts valve guide bores from 8mm to 7mm stems and is supplied as a set of 8. Intended to convert stem sizing in affected VW heads, the kit provides the cataloged parts and sizing for installers managing a change from 8mm to 7mm valve stems during head work or rebuilds.
Supertech VW Intake/Exhaust Valve Guide Conversion From 8mm to 7mm Stem - Set of 8
