This set of spring adjustment nuts is made for X shock assemblies fitted to Yokomo R12 and GT series RC models. As an aftermarket tuning accessory, it lets you change spring preload and refine suspension response without swapping springs or modifying the shock body.
The part moves the spring seat to alter preload and static ride height, helping you dial in handling balance and cornering behaviour during track use or practice. It is compatible with the X shock style used on the R12/GT models listed below.
This article describes an RC-scale accessory intended for use on compatible R12/GT chassis X shock assemblies only.
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