This Yokomo YOKD170P set provides two identical coil springs intended for RC drift applications, using a regular wound pitch and a pink finish for quick visual sorting. They are aftermarket suspension springs suited to hobby drift cars rather than full-scale use.
Performance role: these coils change how the car rolls and how steering loads transfer when initiating and holding slides. The 1.2mm wire gauge combined with 10.5 coils produces a steady spring rate that helps when you want nuanced, stepwise changes between front and rear rates.
Installation notes: install the springs over compatible shock bodies and secure with your existing retainers and collars, making sure the spring is seated evenly on the perch. After swapping springs re-check preload and ride height and make small damper or diff tweaks to maintain balance.
Practical tuning tips: treat this spring as a reference point when working on entry and mid-drift balance, compare matched sets front to rear, and note any changes so setups stay repeatable.
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