The Yokomo YOKYX-40SG shock spring is provided as an R/C-scale replacement for pitching damper use on radio-controlled models. The gold finish identifies the component and marks it as a dedicated pitching damper spring used for suspension tuning.
As a direct replacement in systems that accept standard shock springs, the spring is intended to change pitching response and help control front-to-rear weight transfer. During installation, verify spring orientation and preload clearance within the damper assembly and compare handling changes against your previous setup.
For longevity, inspect free length and straightness before mounting, ensure the spring seats cleanly on shock cups and retainers, and confirm it does not bind on the shock shaft through full travel. Routine inspection maintains consistent performance over time.
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