This is an aluminum rear upper suspension arm set intended for TAMIYA Hotshot and Super Hotshot 1/10 scale electric buggies, supplied under the JAZRIDER JR-THS05-BK part number. The components serve as direct replacement parts for the rear upper arm position and are finished in black anodized aluminum to provide a rigid mounting point compared with standard plastic arms.
The part focuses on suspension geometry and tuning: stiffer arms can reduce flex at the rear uprights, helping maintain consistent toe and camber under load. Fitment uses the existing factory mounting locations, so installation typically involves removing the original plastic arms and reusing the stock hinge pins and fasteners where compatible.
When tuning, treat these arms as a platform component — they change compliance characteristics but do not replace shock or spring selection. Verify fit with your existing rear uprights and linkages before final installation and check for interference with the gearbox or body mounts common to vintage Hotshot layouts.
These arms are intended as a durable hop-up for vintage Hotshot platforms where reduced flex and consistent rear geometry are priorities; confirm hardware needs and fitment before installation.
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