This RC-scale aluminum rear suspension arm mount and gearbox support is offered as the B8 parts set for Tamiya Thunder Shot, Thunder Dragon, Fire Dragon and Terra Scorcher chassis. It serves as a direct replacement part location for the rear arm/gearbox support on those models and is intended for hobby-level chassis maintenance and tuning.
Designed to provide a firmer mounting point compared with generic alternatives, the part's role is to stabilize the rear suspension geometry and support the gearbox area during hard cornering and jumps on off-road tracks. Using an aluminum support can help maintain alignment under load and offer a predictable response during setup changes.
Installation notes: the component mounts to the stock B8 part positions on listed Tamiya chassis; confirm hole alignment and clearance on your own model before final assembly. Keep original hardware if reuse is planned and check fit with existing suspension pins and linkages. No extra tools or parts are supplied with this item.
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