S55/N55 BMW M3/M4 F8X “Spline lock” Crank Hub Upgraded Kit

[Application]

The complete N55, S55 complete crank hub solution that does NOT require the crank to be drilled for pins. The hub uses our proprietary “Spline Lock” technology that uses high tolerance machined splines which press into the crank, and positively lock the hub to the crank. IF you are tuning your N55 or S55 or using hard on track we recommend fitting this product to ensure your self against an expensive engine failure if the OE crank hub was to fail

[Material]

Stainless