The Supertech oversize manganese-bronze valve guide for Audi 1.8T and 2.7T applications features an outer diameter of 11.075mm for intake or exhaust use. The oversize dimension is intended for heads that have been reamed or require a larger guide bore to restore proper valve-to-guide clearance. Sold individually, this guide supports accurate valve alignment and renewed running clearance after machining or wear.
Supertech Audi 1.8T/2.7T Manganese Bronze Intake/Exhaust Valve Guide Oversize OD 11.075mm