This is a Hop-Up Option is to be used with the TD4 chassis. The rigid aluminum differential nut enables exact modification of ball differentials used on the kit. A precision differential screw is roofed.
• This durable aluminum differential nut (blue) and accuracy differential screw can be used in the place of the kit standard synthetic nut for superior accuracy.
• includes the differential springtime, thrust plate, and 1/16-inch steel balls.
• suitable for TD4 framework cars.