Designed specifically for BMW S55 N55 engines, engineered to address a common issue and provide peace of mind for owners. The OE design has been known to "slip" or "spin" on tuned cars and to a lesser extent on completely stock cars. This can lead to at best the engine requiring retiming or at worst piston to valve contact and therefore an engine rebuild. The cranktechnics upgraded hub incorporates proprietary spline Lock technology, boasting machined splines that seamlessly integrate into the crank, firmly securing the hub in place. These splines, engineered to resist rotational forces, facilitate deeper engagement into the crank, effectively preventing slippage encountered by conventional hubs. Notably, this upgrade eliminates the need for .
