Tamiya 3404156 TRF421 Lower Deck Upgrade  [3404156]

Refine Handling with the Tamiya 3404156 Lower Deck

Serious RC drivers looking to tighten chassis response will find the Tamiya 3404156 lower deck a practical upgrade. Made for the TRF421 chassis, this part reduces unwanted flex and helps the car stay composed through corners while retaining durability under race conditions.

Track-Focused Benefits

Fitting this lower deck gives a firmer platform that improves steering accuracy and stability at speed. The stronger foundation helps maintain consistent setup geometry, which is valuable for lap-to-lap repeatability whether you are practicing or competing.

Durable Construction for Regular Use

Manufactured from high-quality materials, the Tamiya 3404156 is built to handle the wear of frequent track sessions. Its construction aims to balance stiffness with toughness so you get reliable performance without frequent replacements, and it integrates cleanly with the TRF421 chassis layout.