This graphite rear body post plate is an RC-scale replacement tailored for the Tamiya TRF421 chassis and sold as Factory Pro model O-TCP007. It acts as the contact surface for rear body posts and anchors the body to the TRF421 chassis mounting points.
The plate helps cut down on slack and movement between body and chassis during hard cornering, keeping body height and lateral alignment more consistent. That consistency makes it easier to fine tune handling and maintain predictable aerodynamic behaviour on different tracks.
Installation is simple for anyone used to TRF421 body mounts: remove the stock piece, fit this plate to the original post positions, then check clearances and alignment before fully tightening. This component is for model use only.
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