Tamiya #54424 - Tamiya RC 3x3mm Bushings - for Ball Differential (12pcs) [54424]

The 3x3mm Bushings for Ball Differential 12pcs produced by Tamiya, is classified in R/C General - Differential

By replacing diff balls with these bushings the differential effect can be disabled to give the same effect as a spool diff. If the diff receives a strong enough shock, in the event of a crash, the bushings will allow the diff to slip, providing a slipper clutch effect.
Specs and Features:

Ball Diff Bushing x12
Compatible with cars with ball diffs that use 3mm diff balls.