Tamiya 42390 TRF421 Aluminum Lower Deck Performance Plate  [42390]

Sharpen Mid Corner Performance

The Tamiya 42390 TRF421 Aluminum Lower Deck is a practical upgrade aimed at improving the handling of the Tamiya TRF421 chassis. It helps deliver steadier traction on carpet and asphalt so drivers can carry speed more confidently through corners.

Stiff Yet Tunable Construction

Made from 2mm aluminium, the lower deck increases overall chassis rigidity while incorporating slits to allow controlled bending. This construction keeps the car predictable at speed and supports fine tuning for different track conditions.

Designed for a Direct Fit

This part is specifically sized for the Tamiya TRF421 chassis, providing a direct fit and easy swap over. Installation is straightforward using the chassis's existing points, so upgrades are quick and repeatable.