CP-Carrillo Pro-Xtreme Pistons HD Wrist Pins

2021+ G87 M4 S58

200" straight walled

this kit is designed to handle high RPMs and high-horsepower builds

B46 Block Sleeving Service 7551 CP-Carrillo Pro-Xtreme Pistons HD WristB46 Engine Block Sleeving Service When it comes to unlocking real performance and long term durability from your BMW B48, the factory spray on iron cylinder coating simply isnt up to the task. Our precision sleeving service replaces those limitations with a robust, high strength solutionturning your engine block into a foundation built for serious power. Why Sleeve Your B46 Block? The OEM coating was never designed for high boost or high horsepower