This Factory Pro O-XCP013 brace set is an RC-scale front upper deck reinforcement intended for the Xray X4 chassis. The pack provides two thickness options so you can alter front-end stiffness without modifying the main chassis plate. The parts are sold as a small tuning set aimed at incremental changes to steering feel and chassis balance.
The kit contains two pieces: one 1mm and one 2mm brace, each 1 pcs, allowing quick swap tests during setup sessions. Use the brace thickness to tune front flex; thinner braces reduce stiffness gains while thicker braces increase front-end rigidity. Fitment is designed to match the X4 front upper deck mounting points so installation is a matter of replacing or stacking against the existing deck layout.
Installation note: the brace set is intended to be used with the stock X4 front upper deck and standard hardware locations. Verify hole alignment and clearance before final tightening, and test incremental changes trackside to confirm handling direction and balance.
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