This aftermarket servo horn suits TRAXXAS TRX4 based vehicles and is intended to sharpen steering response while adding a spring buffer between the servo spline and horn. The straight-arm profile is formed from 6061 T6 aluminum to strike a balance between stiffness and mass.
The housed spring reduces transmitted shock to the steering gear and the set of four positioning holes allows lateral tie-rod placement for steering ratio and roll centre tuning. Because the spring assembly increases thickness locally, confirm clearance in the stock servo location; some TRX4 arrangements may require reversing the support tie rods to avoid contact with the horn and front reverse steering gear.
The kit includes the horn, stainless mounting screws, an aluminum collar and a 3mm metal washer to complete initial installation. Use the positioning holes to tune toe and sensitivity and always confirm mechanical clearance before final assembly.
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