The Yokomo RP-081 Racing Performer Ultra is a 3.2 linear shock spring designed for 1/10 on-road touring cars. It uses an equal-pitch coil for a neutral response that helps maintain predictable damper movement across the stroke. The spring is finished in black and the hardness rating is laser-engraved on the end for quick identification during setup changes.
This spring has been fitted to BD8 setups referenced in original product notes, providing a proven fit for competition-level chassis variants. As an RC-scale part, it is intended solely for use on radio-controlled touring-car dampers and shock assemblies.
Installation is standard for coil-type damper springs: slide onto the shock shaft between spring retainer and top mount, check preload, and verify free travel. For tuning, the RP-081 serves as a baseline linear option when you need consistent mid-stroke support without progressive ramp-up.
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