The Kyosho UM584 servo saver shaft set is made for the Ultima SB line and improves steering feedback and control under hard use. Enthusiasts will notice crisper steering and steadier handling when running rough off-road courses.
Designed to hold up under repeated impacts and rough terrain, this servo saver shaft set helps reduce drivetrain play so your steering stays consistent. The upgrade focuses on lowering wear in the steering system to keep race pace reliable.
Made to match Ultima SB steering geometry, the components install to preserve factory alignment and steering throw. It is a practical choice for drivers who want improved response without complex setup changes.
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