Description
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.
Valve Guides are precision-machined from high quality Manganese Bronze material.
44.9mm length is the older guides, newer length is 41.9mm, both will work it you have old and new stock.
Used in the N14 engines for the Gen 2 MINI Cooper S/ JCW.
16 of these will be needed per head for a complete replacement.