The Yokomo D-171PA 1.2x10.5 Turn Pink Progressive Spring is built to refine drifting control by delivering staged spring rates. Measuring 32mm overall, it helps drivers achieve consistent balance through corners and transitions.
The unique mix of fine and coarse windings gives a gentle first stage that soaks small bumps and a firmer second stage that resists roll during aggressive slides. This staged behaviour aids traction and predictable car feedback.
Use the D-171PA with matching equal pitch springs to widen your tuning options. Changing combinations lets you adjust mid-turn grip and roll speed to suit tight indoor layouts or faster outdoor courses.
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