This RP-083PU is an RC-scale front off-road spring intended for high-grip indoor environments such as carpet and astro turf. The RP Ultra purple color assists quick part recognition during setup and service.
Focus of the design is on repeatable front-end behavior on carpeted tracks. Yokomo revised material choices and manufacturing controls to address prior inconsistencies and to deliver consistent compression properties for front suspension roles.
Fitting advice: fit the RP-083PU as a direct front spring replacement, confirming correct orientation and perch seating according to the chassis manufacturer's instructions. Only common hex tools are required; inspect the spring seats and retainers for wear or damage before refitting.
Tuning impact: these springs change front response—altering braking dive, landing rebound and corner roll on carpet or astro surfaces. Use them with incremental shock oil and ride-height changes to refine front balance rather than swapping pistons or shock bodies.
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