Hinge Pin Brace (CNC 7075 D Block for diff riser EB410) made by Tekno RC Vehicle Compatibility TKR6543B - Hinge Pin Brace (CNC, 7075, D Block for diff riser, EB410) is included with the ET410 kit and can be used as a replacement part for that vehicle. This can be used with the EB410 vehicle and should be a direct replacement for the stock part or used as a new feature. Please use the instruction manual for the kit(s) listed to verify compatibility and no additional items are necessary before purchasing.