This 23T aluminium servo horn is made for TRX4 steering assemblies and is listed under part TRX4023TA/3H. It replaces the original horn to provide a firmer link between servo output and steering rods while an internal spring absorbs sudden shocks to protect the servo gears.
Produced from 6061 T6 aluminium with a straight-arm profile, the horn aims to keep mass low while increasing bending resistance at the output arm. The built-in spring cushions impacts and the multiple attachment holes give scope for tie rod geometry and throw tuning.
Fitment advice: the integrated spring increases overall thickness compared with thin alloy horns. For TRX-4 models in the stock servo location, reverse the support tie rod angle to gain clearance; this does not change the front reverse steering gear position.
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