The Serpent SER903782 Servo Saver Shaft Inner for the S989 is a compact replacement part built to restore accurate steering response on your RC. It is made to match the S989 steering assembly so you can return to track-ready handling quickly.
This inner shaft fits as a direct swap and helps maintain servo feedback and steering fidelity. It is useful for drivers who race regularly or practise often and need a dependable part to avoid play in the steering linkages.
Fitting the shaft is straightforward with basic tools and a careful approach. Inspect the saver, bearings and linkages when you fit the new shaft, and apply light lubrication where appropriate to extend service life.
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