Tamiya #53925 - Tamiya RC DF03 Slipper Set - Pre purchase Optional part for Dark Impact (DF-03), slipper clutch is indispensable item for rushing buggies. Particularly created slipper clutch protects your R/C cars drive shaft, clutch and motor through the rigors of off-road running and leaping. Includes brand new 82T spur gear which can be frequently combined with Things 53922 and 53923 R/C 05 Pinion Gears for increased gear ratio establishing alternatives. *Compatible chassis: DF-03 -Suitable for all of DF-03 Chassis car Kit