These aluminum rear lower arms are intended as a replacement for the Tamiya Hornet EVO (58742) chassis and carry the model number JR-THNE02-GU. They upgrade the stock plastic lowers to an aluminum component that provides a stiffer rear mounting interface and improved repeatability for setup-minded drivers.
Compatibility is confined to the Hornet EVO model referenced in the title. Installation aligns with the vehicle's original hinge-pin positions and makes use of existing suspension hardware, so the arms integrate without additional adapters. Clean the area and check bearings and pins during installation to guarantee free movement.
As a hop-up these arms alter rear flex compared to the OEM plastic parts which can change traction and transient response. After installation, verify static camber and toe, ensure full droop travel is available, and tighten wheel hardware after an initial shakedown run.
Workshop advice: adhere to Hornet EVO torque specifications, avoid over-tightening which can pre-load bearings, and confirm there is no interference through the full range of suspension travel and steering sweep before competitive use.
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