The Yokomo B9-301BSA suspension mount bush is built to provide a tight, pin-in pivot for BD9 chassis. Installing the suspension arm pin directly into the resin bush replaces the small bearing and reduces unwanted movement, helping maintain consistent handling lap after lap.
The set includes two of each of five bush varieties so you can alter the pin position precisely. This level of control helps when tuning corner entry and midcorner balance across different track surfaces.
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