Tamiya TRF421X Gear Diff Set TAM51767

RC Trf421X Gear Diff Set DESCRIPTION: The TRF421 gear differential unit set can be used to replace a worn-out part for the TRF421X (Item 42391) or used as an upgrade to the standard TRF421 (item 42384). Replace parts in a prompt fashion to ensure that your car runs at peak performance. Differential joints are compatible with ball bearing type drive shafts. Compatible with TRF421 (Item 42384) and TRF421X (Item 42391) chassis.