The Factory Pro O-XCP020 rear body post mount is a scale replacement part tailored to the XRAY X4'24 chassis. Built from graphite 4.0, it secures the rear body posts and recreates reliable mounting locations so setup tweaks are repeatable lap after lap.
Installation is simple when replacing the stock mount: remove the shell, loosen the current mount hardware, seat the Factory Pro unit aligning its locating features with the chassis, and refit with the original screws. No chassis cutting or drilling is required for a standard X4'24 configuration.
As a tuning element the mount regulates rear body height and side-to-side stiffness, which affects aero balance and how weight transfers in turns. Choosing a graphite 4.0 mount delivers a consistent datum for fine adjustments to body position and improves repeatability between runs.
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