This graphite rear body post base is an RC replacement crafted for the Tamiya TRF421 chassis and offered by Factory Pro as model O-TCP007. It forms the mounting surface for rear body posts and secures the body to the TRF421 chassis mounting points.
The plate reduces unwanted movement at the rear-body interface, assisting in keeping body height and alignment steady during laps. Keeping those parameters steady can make handling more predictable when adjusting suspension or aerodynamic settings.
Installation is simple for anyone experienced with TRF421 body fittings: the plate takes the place of the original mount and fastens to the existing post holes. Confirm alignment and check body clearances before fully tightening to ensure the body sits true. This component is intended for scale model use only.
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