This graphite upper deck is an aftermarket replacement part intended for RC-scale tuning of 3Racing Cero Sport builds, produced by Factory Pro as model O-3CKP02. It is specified for use only with Conversion Kit O-3CK001 and serves as a structural top plate to alter chassis stiffness and component layout when converting the kit.
The article focuses on fit and tuning role rather than detailed procedures. The upper deck changes the flex distribution across the chassis when installed with the matching conversion kit, which affects balance and suspension response. It is presented as a direct fit accessory for hobbyists already using Conversion Kit O-3CK001.
For builders using the specified conversion kit, this graphite upper deck provides a straightforward way to adjust chassis characteristics without modifying the original 3Racing kit components beyond the intended conversion.
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