S65 Combustion Chamber Upgrade Service Forester XT You may notice BE Bearings

You may notice BE Bearings have a slight mark on the surface

Follow the manufacturer's recommended torque specifications and tighten the bolts or studs in the proper sequence to ensure even clamping force across the gasket

making it less ideal for street use

making them ideal for endurance racing

DRIVEN DI Series Racing Oils are formulated for High-Performance Engines/Racing applications only

S65 Combustion Chamber Upgrade Service Forester XT You may notice BE Bearings5150 AutoSport Combustion Chamber Upgrade Service for BMW S65 V8 Engines Please note that price is based on customer providing core. If you need help sourcing a core, please contact our sales team. Our CNC Cylinder Head Combustion Chamber Service is a precision machining process where the combustion chambers of an engine's cylinder head are reshaped and refined using Computer Numerical Control (CNC) technology, optimizing engine performance for street