This 4pcs aluminum servo horn set is designed as an RC-scale replacement part for the Traxxas TRX4 Trail Crawler platform, intended to upgrade steering durability and tuning options on trail setups.
The arms are machined from 6061 T6 aluminum with a straight-arm profile to reduce flex compared to stock plastic horns, and each horn features dual-position tie rod holes to allow small geometry adjustments to steering throw and centring. Use this set to firm up steering response and to fine-tune tie rod length without modifying other steering components.
Installation is straightforward for users familiar with TRX4 service: remove the stock horn from the servo output spline, align the aluminum horn to the same spline position, and secure using the supplied stainless steel screws. Verify spline alignment and steering centring before final tightening to avoid binding.
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