The Factory Pro O-XCP014 package contains two upper bulkhead top mount plates made for the XRAY X4 chassis, provided as a 1mm and a 2mm plate, one of each. They are intended as direct replacement or alternate-thickness options for chassis stacking during setup work.
These plates sit where the upper bulkhead mounts on the X4, keeping the factory fastener locations and mount points intact; removal of the existing upper plate and reusing original hardware is the common approach. This pair lets you alter stack height and fine-tune front and rear geometry without changing main components.
Use the plates for comparative setup testing on track or for routine workshop swaps, and keep a spare for quick adjustments between sessions. This product is specified for RC-scale chassis applications only.
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