Racers using the Tamiya TRF421 can upgrade the rear end with the Factory Pro FP-O-TCP005 Split Upper Deck Hard (Rear). The 2mm hard graphite construction raises rigidity to minimise flex and stabilise the car under load.
Graphite provides a stiff but lightweight solution that sharpens handling and helps the car stay composed through corners. The material supports faster mid corner corrections and steadier exits.
Specifically produced for the TRF421 chassis, this split upper deck is straightforward to fit using the stock fixings. It is suitable for experienced builders and sportsman class tuners who want a clean replacement.
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