This item is a split front upper deck made to fit the ARC A11 chassis, supplied as Factory Pro part O-ARCP05. The component is a 2mm graphite plate arranged in a split configuration to modify stiffness ahead of the front bulkhead.
The split construction gives flexibility for tuners to change stiffness independently across each side or to experiment with different deck thicknesses. It is intended for 1/10 electric touring car setups and for detailed track tuning where small flex changes influence turn-in and front traction.
Installation uses the standard ARC A11 screw locations; swap this plate in place of the stock front upper deck using the same attachment points and hardware. After fitting, check clearances near the servo and suspension towers and perform short setup runs to confirm steering behavior and bump steer.
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