This is an RC upgrade component for ARRMA chassis that replaces the factory plastic servo mount and horn hardware with a direct 7075 aluminum substitute. The kit uses 7075 material where specified to add stiffness and make removal simpler during routine maintenance, and it ships with a pre-installed 25T servo horn plus a 23T servo saver steering tube for alternative fitment.
The horn incorporates a spring to absorb shocks and lower peak loads on the servo output, helping protect the servo under heavy off-road impacts. Threadlocker is not applied at the factory so you can install or swap the 23T steering tube before final tightening; apply threadlocker after assembly to secure fasteners.
Installation notes: confirm spline compatibility with your servo and use the supplied grade 12.9 screws and stainless shims to set correct preload and alignment. The part is intended to streamline chassis setup and tuning by making servo removal and replacement faster while maintaining steering geometry.
Fit this alloy mount and horn set when you need a direct aluminum replacement for plastic steering components on supported ARRMA models; install supplied parts, apply threadlocker after final assembly, and verify spline and alignment during setup.
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