Enthusiasts looking for steadier shock adjustments can fit the Yokomo B9-S4C2A upgrade to their BD9. The set supplies precision nuts alongside O-rings and caps to help keep settings exact and seals secure.
The carefully matched O-rings and caps minimise oil migration and reduce play at the shock collar, which helps dampers behave predictably lap after lap. These parts are focused on durability and fit.
Produced for the BD9 chassis and compatible with the MRTC-BD10FF, the kit is useful whether you are refining on-track times or preparing for club races where consistent suspension response matters.
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