Tamiya 42390 TRF421 Aluminum Lower Deck Precision Plate  [42390]

Improve Corner Control and Chassis Response

The Tamiya 42390 TRF421 Aluminum Lower Deck is an effective upgrade for hobbyists who want crisper handling from their Tamiya TRF421 chassis. Suited to both carpet and hard surface tracks, the deck helps keep the car stable through entry and mid-corner phases.

Durable 2mm Plate with Tunable Flex

Crafted from 2mm aluminium, this lower deck adds meaningful rigidity while its cut slits provide controlled flex. That balance helps the car remain responsive at higher speeds while allowing setup adjustments for different track surfaces.

Compatibility Details and Fitment

This component is made to fit the Tamiya TRF421 chassis specifically, ensuring correct alignment and easy installation. It installs using the chassis's standard points so you can upgrade without chassis modification.