The Tamiya 3404073 Carbon Fiber Upper Deck is tailored for the TRF419XR and manufactured from carbon fiber reinforced plastic (CFRP). Measuring 2.0mm thick, it boosts chassis rigidity to reduce flex and deliver cleaner steering input during competitive running.
Because carbon fiber blends low weight with high stiffness, it gives more predictable handling without heavily loading the car. Installing this deck typically sharpens turn-in and improves mid-corner stability for quicker, repeatable laps.
Fit the deck with even screw torque and confirm alignment with the lower plate to avoid binding. Periodically inspect screw threads and mounting points to keep the setup consistent over multiple sessions.
A practical upgrade for drivers trimming their TRF419XR for club and regional events, offering improved rigidity and control.
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