Owners of the Tamiya TRF421 can refine rear chassis rigidity with the Factory Pro FP-O-TCP005 Split Upper Deck Hard (Rear). Its 2mm graphite construction reduces unwanted flex to give steadier handling at speed.
Using graphite balances light weight with added stiffness, helping the car react more directly to steering inputs and hold a more consistent line through technical sections and fast straights.
Engineered for the TRF421 chassis, this split upper deck fits the stock mount points for a clean installation. It is suitable for both seasoned tuners and those newer to aftermarket upgrades.
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