The Yokomo ZS-506A Differential Drive Ring set supplies two accurate drive rings aimed at hobbyists who rebuild or tune ball differentials. These rings help preserve smooth torque transfer and maintain gearing alignment.
Designed to be compatible with a variety of Yokomo chassis including DP-YD4, MRTC-86 and DP-GR35, these rings make it simple to replace worn components across different cars. They are a practical spare when refreshing older diffs or prepping a car for a race day.
Produced to consistent dimensions, the rings sit flush in the differential and reduce unwanted movement that can increase wear. They suit both competitive setups and casual backyard running where reliability is important.
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