Tamiya made TRF421 Gear Differential Unit Set (51745) TRF421 Hop-up Parts
This really is a total oil differential set to be used regarding TRF421 framework. Put it to use as a spare component or keep a complete oil differential gear set during the ready whenever tuning your vehicle to changing track conditions by utilizing various viscosity natural oils.
• Item works extremely well the rear or front side for the TRF421 framework.
