Re-lubing is rarely necessary due to bushing construction and design

allowing the engine to breathe better and generate more horsepower and torque

Apply to cams and lifters for break-in protection

TIG Welded for factory fit and high strength

making these bearings ideal for high-power applications

CP Forged Piston Set, BMW B46 Pro-Xtreme Bore Size:83 mm Re-lubing is rarely necessary dueThe 5150 AutoSport Pro Xtreme Forged Pistons, made by CP Carrillo, are designed to handle extreme horsepower and high RPM applications for BMW B46 engines with 148 mm Rods. Constructed from high strength, aircraft grade steel, these pistons are engineered to withstand the forces generated by high powered engines. The Pro Xtreme Piston design is specifically engineered to handle up to 1200 horsepower, making these pistons suitable for high performance