The Yokomo BM-S152A shock piston is a practical component for tuners wanting cleaner suspension response. Featuring two exact 1.5mm holes, it promotes steadier damping and improved handling precision.
A clear hole size stamp on the front helps you confirm the piston spec at a glance, while the guide mark on the rear allows controlled addition of holes for extra flow. These cues make step-by-step tuning more reliable.
This piston is compatible with multiple Yokomo B-YZ chassis variants including B-YZ2, B-YZ2CA and B-YZ4SF, offering a straightforward upgrade for pilots focused on suspension stability and control.
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