A hard replacement spring made for X-type shock assemblies on Yokomo R12 and GT series chassis, manufactured from steel wire to provide a firmer spring rate. It is intended to stiffen suspension behaviour and reduce body roll without swapping shock bodies or pistons.
Install this spring when you want a clear increase in stiffness during tuning sessions. Supplied as individual spring pcs for hobby use and track setup of the chassis listed below.
Compatible chassis:
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