Supertech VW Intake/Exhaust Valve Guide Conversion From 8mm to 7mm Stem - Set of 10

If you're working on a VW engine and looking to swap in smaller 7mm stem valves, this set of 10 valve guide conversions from Supertech is what you need. These guides allow you to use 7mm stem valves in heads originally designed for 8mm valves, which can be a common modification for performance builds or when sourcing specific aftermarket valves.

Supertech makes these conversions from a durable bronze alloy. This material is well-suited for valve guides because it offers good wear resistance and helps lubricate the valve stem as it moves. The set includes ten pieces, enough for a typical 4-cylinder engine's intake and exhaust valves. Installing these requires pressing out the old guides and pressing in the new ones, a job best done with the right tools to avoid damaging the cylinder head.