For hobbyists wanting a straightforward performance tweak, the Kyosho MZW406 SP Stainless Upper Suspension Shaft is a solid choice. Made from corrosion resistant stainless steel, it supports dependable movement of the upper suspension arm to help improve handling and chassis stability.
Stainless material adds stiffness and long term reliability, reducing the rate of wear on pivot points. That results in more consistent suspension action lap after lap and less frequent part replacement.
Manufactured to match MR-03 mounting and geometry, this shaft installs without major modification and supports fine tuning of suspension response for both track sessions and casual running.
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