This colour version comes as two kingpin sleeves for RC-scale touring and competition cars. They fit over the kingpin on compatible chassis to provide precise spacing and a visible marker for setup changes.
Purpose in tuning: the sleeve operates as a spacer and insulator in the kingpin assembly so you can adjust caster and camber characteristics without swapping the kingpin itself, while colour-coding keeps different setup options easy to distinguish. It is sold as a maintenance-friendly replacement or modest upgrade for steering geometry tweaks.
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