The Yokomo D-171YA Progressive Drift Spring - Yellow 1.2x9.5T provides a 32mm progressive spring choice for hobbyists wanting more control over slide dynamics. The mixed pitch layout balances compliance and firmness so your car reacts predictably from initiation through sustained cornering.
Featuring alternating fine and coarse coils, the D-171YA soaks up small bumps while supporting heavier lateral loads. That dual-rate behaviour reduces sudden weight shifts and helps tyres maintain contact during long drifts.
Use these springs alone or mix them with equal pitch types to change progression and response. Whether you run a loose, aggressive tune or a steady, controlled slide, the D-171YA widens your setup choices.
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