Supertech BMW B48/B58 47x10.045 (+0.015)x5.985mm Exhaust Valve Guide - Single (Drop Ship Only)

If you're rebuilding the top end of your BMW B48 or B58 engine, you'll need reliable valve guides. This is a single exhaust valve guide from Supertech, a well-known name in engine components. It's specifically made to fit those popular BMW engines, ensuring proper valve operation and sealing.

This guide measures 47mm in length, with a 10.045mm outer diameter and a 5.985mm inner diameter. It's manufactured to precise tolerances, which is crucial for maintaining consistent valve movement and preventing leaks. Supertech uses durable materials to ensure this part holds up under the heat and stress of engine operation.