The Supertech oversize valve guide set for Audi 1.8T engines includes manganese bronze intake and exhaust guides with an 11.075mm outer diameter, supplied as a set of eight. Intended for applications requiring the oversize dimension after machining, the listing specifies both the engine family and the larger guide OD for correct replacement selection.
Supertech Audi 1.8T Manganese Bronze Intake/Exhaust Valve Guide Oversize OD 11.075mm - Set of 8