This is an aluminium roll spring holder made for the YOKOMO R12 platform as a scale RC accessory. It is intended to secure roll springs and provide predictable mounting positions so you can make consistent adjustments to roll behaviour on your model.
The package contains two sets, matching the base part grouping commonly used on R12 touring car suspension assemblies. Use it when you need repeatable spring location and straightforward, low-mass support for roll spring tuning on track or practice setups.
Installation note: this part is designed for direct fit to the supported R12 chassis variants listed below, and its tuning role is to change roll spring placement and thereby influence roll stiffness and transient response rather than to modify primary suspension geometry.
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