This Factory Pro O-3CP008 one-piece upper deck is an aftermarket graphite top plate built for the 3racing Cero FWD Ultra 2.0 RC touring chassis. As a hop-up it alters the upper-structure stiffness and redistributes flex characteristics compared with the original kit top plate.
Fitment is specific to the listed chassis; the deck is profiled to match the mounting points and spacing used on the Cero FWD Ultra 2.0. Installation normally reuses the kit's existing mounting hardware and internal parts such as servo, ESC, and motor without modification, but confirm screw lengths and stand-offs before final assembly.
From a setup perspective the graphite one-piece deck biases chassis rigidity toward the top plane, affecting roll and mid-corner stability on FWD cars. It is intended as a chassis-level tuning option for track sessions or practice when small changes to torsional response and steering feel are required.
Choose this upper deck when you want a direct chassis stiffness upgrade for FWD tuning without changing lower chassis geometry; always verify fit and hardware before hitting the track.
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