This is an RC-scale rear upper suspension arm set designed for TAMIYA Hotshot and Super Hotshot models. The parts are machined aluminum with a gun metal finish and are intended as direct replacements for the rear upper arm position to improve durability and provide a firmer mounting point compared with typical stock plastic arms.
The components serve a tuning role in the rear suspension system, affecting linkage stiffness and repeatable geometry under load. Installation replaces the OEM rear upper arms using the stock mounting points, so no chassis modification is required when fitting to the stated Hotshot variants. Check existing fasteners for wear and use the same thread engagement when reassembling.
Surface finish and material choice focus on wear resistance and consistent geometry rather than changing suspension kinematics; builders typically pair metal arms with matched hardware to maintain alignment and avoid galvanic contact with dissimilar metals.
For hobbyists maintaining or tuning Hotshot-series RC cars, these aluminum rear upper arms offer a durable replacement that preserves original mounting geometry while providing a metal upgrade over stock plastic components.
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