S55 Upgraded SSR M3/M4 4-Pin Keyed Crank Hub Kit

A required upgrade when chasing more power on your S55! This upgraded crankhub will give you the peace of mind and ability to chase more power without having to worry about the dreaded oem crank hub failure. Don't wait until it fails or worse causes engine failure. Upgrade your crank hub today and drive worry free! This kit includes all recommended components necessary in order to successfully remove and replace your stock S55 crank hub with an upgraded 2 piece SSR 4 Pin keyed crank hub. Professional installer discretion is highly advised in deciding if any other components need replacing during the process of replacing the crank hub. This is the exact kit that was previously being offered by Maximum PSI and will perform exactly the same. Maximum PSI, Bmwmpower247, and SSR Performance assume no liability on the use of this product. Product is for off-road / racing use only. We highly suggest that this Crank Hub Kit ONLY be installed by qualified personnel. Timing tools are required in