F8x S55 Crank Hub

Our RK-Tunes F8x M2 Comp/M3/M4 crank hub is the best way to prevent / fix damage from a failed crank hub

Includes:
-4 pin crank hub
-drill fixture / drill bit  
-oem crank bolt

-oem full gasket set optional. This includes all bolts, hardware and gaskets neeeded. (Oil / coolant not included)

Requires an additional 3-4 business days to ship!