MST FXX Alum. integrated shaft joint

The MST FXX-D Aluminum Integrated Shaft Joint is a direct replacement upgrade for the stock gearbox outdrive and shaft (MXS-210040, MXS-210347) included with the FMX-D, FSX-D and FXX-D models. This aluminum option will reduce rotating mass improving throttle response, while the one piece assembly helps to reduce parts count and simplify the transmission assembly. Package includes one shaft joint, shims and hardware.