The Factory Pro O-ARCP08 is an aftermarket upper deck brace developed for the ARC A11 chassis. Manufactured from 1.6mm graphite, it increases upper-deck stiffness to provide more distinct chassis feedback when making setup changes.
Intended for RC-scale competition, the brace matches the ARC A11 upper deck mounting layout. Fitted alone or alongside the stock brace, it changes load distribution during acceleration, braking and cornering so drivers can refine roll center and mid-corner balance without reworking suspension geometry.
Fitting notes: the design uses the A11’s existing upper-deck attachment points and generally retains standard fasteners; always verify clearance for electronics and the body before final tightening. During setup testing, expect modest but noticeable shifts in steering sensitivity and chassis equilibrium.
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