The provided mounts for these engines are manufactured from anodized billet aluminum

KW V4 Clubsport

canyon carving

Gen 1 and 2

BMW E28 M535i

BMW M52TU M54 Block Sleeving Service 72-903 The provided mounts for theseBMW M52TU M54 Engine Block Sleeving Service If you're planning to make serious power with your M52TU or M54, the factory aluminum cylinder bores eventually become the limiting factor. Whether you're building a turbo street car, drift car, drag car, or dedicated race engine, sleeving the block is one of the best investments you can make for long term reliability. At 5150 Autosport, we don't sleeve blocks because it sounds good, we sleeve them because