The Supertech manganese bronze oversize valve guide set for BMW S14 engines fits 7mm valve stems with an oversize outer diameter of 12.065mm and is supplied as a set of 8. Intended for S14 head service where bores have been resized, this eight-piece kit matches the cataloged oversize specification and provides the listed stem and OD dimensions for correct assembly.
Supertech BMW S14 Manganese Bronze Int/Exh Valve Guide 7mm Stem Oversize OD 12.065mm - Set of 8