This graphite rear body post mount is an RC replacement part designed for the Tamiya TRF421 chassis, supplied by Factory Pro as model O-TCP007. The plate provides a flat, rigid surface for the rear body posts and secures the model body to the TRF421 chassis mounting points.
On track the plate reduces unwanted movement between the body and chassis under cornering and load, helping preserve consistent body height and alignment. That repeatability supports predictable aerodynamic balance and the handling feel drivers expect from a well set up touring car.
Fitting is straightforward for those familiar with TRF421 body hardware: the plate replaces the stock mount and bolts to the original post holes. Verify post alignment and body clearances before final tightening, and check that the body sits square after installation. This product is an RC-scale accessory intended for model use only.
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