The Yokomo B10-S3SA short shock spring cup is aimed at racers who need precise spring seating on BD9/10 chassis. Built to resist regular race use, it helps keep suspension settings consistent across events.
Specifically matched to BD9/10 models, the Yokomo B10-S3SA provides a firmer spring mount that reduces unwanted movement. That improves predictability when attacking corners or when running aggressive setups.
Compatible with MDR-020, SDR-020, and MDR-020BL chassis types, this spring cup is a flexible upgrade for a range of builds. Fitting takes only a few minutes so you can test different configurations between runs.
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