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

Need it installed? Contact us today. ATTENTION: Although Maximum PSI has discontinued the private labeling of this product, we still offer this kit directly from the facility that designed and still currently manufactures it. It can no longer be purchased from Maximum PSI, however, we still offer this solution with express consent from the owners of Maximum PSI. This is the exact kit that was previously offered by Maximum PSI and will perform exactly the same. Maximum PSI, Mashimarho, and SSR Performance assume no liability for the use of this product. The product is for off-road / racing use only. This kit includes all recommended components necessary in order to successfully remove and replace your stock S55 crank hub with an upgraded 2-piece Maximum PSI 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. We highly suggest that this Crank Hub Kit ONLY be installed by qua