Supertech Valve Guides are designed to be used in combination with our low friction black nitrided valves to provide the best solution for both performance and durability.
Used in the W11 engines for the Gen 1 MINI Cooper S/JCW. Valve Guides are precision-machined from high quality Manganese Bronze material.
Note: Priced Each, for a complete engine repair you will 16 of these.
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov