This 25T aluminium servo horn is a scale replacement for TRAXXAS TRX4 vehicles, catalogued as TRX4025TA/3H. It combines a machined aluminium arm with a built-in spring to lessen impact forces on the servo and includes three mounting positions so you can adjust tie-rod geometry for different axle-link arrangements.
Fitting advice: the internal spring increases overall arm thickness compared with stock plastic horns, so when using the original servo location on TRX-4 models you may need to reverse the support tie rod angle to ensure clearance. The front reverse steering gear position remains unchanged with correct fitting, but double-check tie-rod alignment prior to finalising link lengths.
The manufacturer supplies the aluminium horn, stainless steel round head screws, an aluminium collar, and a 3mm metal washer to complete a single-arm steering conversion or upgrade.
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