providing a complete solution to replace the factory connecting rod bearings and bolts with superior aftermarket components

200" straight walled

The 5150 Solution

Replacement of wear items and seals

2021+ G87 M4 S58

B46 Block Sleeving Service 7551 providing a complete solution toB46 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