RK Autowerks S55 Crank Hub – Billet Pinned

Description4 pin design to ensure the hub wont spin, even with heavily modified S55sLaser scanned to ensure perfect fitment – direct replacement for stockDesigned and machined in-house with our CNC millsMachined from heat treated 4130 Chromoly Compatible with all S55 M models2014-2018 BMW F80 M32014 BMW F82 M42019 BMW F87 M2 Competition & M2 CSDealer pricing available.  Email [email protected] with inquiries.