F8x S55 crank hub - RKTunes

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

-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)