This Yokomo YOKD170P pack contains two matching coil springs made for radio-controlled drift cars, wound to a regular pitch and finished in pink for easy visual identification. These springs are sold as standard drift suspension items for hobby-scale setups and are not OEM components.
Performance role: the springs influence roll rate, steering response, and weight transfer during drift transitions. With a 1.2mm wire diameter and 10.5 coils, they deliver a predictable spring curve suited to drivers seeking incremental feel when swapping rates between front and rear.
Installation notes: fit the springs over compatible shock bodies using the stock spring retainers and collar on your shocks, ensuring the coils sit square on the perch. After installation check preload and ride height, then tune differential and damper settings in small steps to restore balance.
Practical tuning tips: use this spring as a baseline for corner entry and mid-corner drift hold, test matched front and rear pairs, and keep a short note of setup changes so you can reproduce adjustments track to track.
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