This aluminum rear suspension arm mount and gearbox support is an RC-scale hop-up designed for the B8 rear assembly positions on Tamiya 1/10 buggy chassis listed below. Its role is to provide a stiffer mounting point at the rear of the chassis and to offer a stable support surface for the gearbox area, helping to reduce flex under load and to make small suspension geometry adjustments more consistent during setup.
The part is intended as a direct replacement for the B8 rear mount locations, allowing hobbyists to keep stock layout while changing material stiffness. Use it where you want firmer rear-end response for tuning traction balance or where chassis rigidity around the gearbox is a priority. Installation requires access to the B8 mount area and basic disassembly of the rear suspension subassembly; verify fitment against your chassis before final tightening.
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