This front split upper deck is specifically made for the ARC A11 and carries the Factory Pro part number O-ARCP05. Constructed from 2mm graphite, the split plate is intended to alter stiffness directly in front of the bulkhead area.
Because the deck is split, racers can tune left and right stiffness independently or experiment with alternate deck thicknesses to dial in turn-in and front traction. It suits 1/10 electric touring applications and venue-level tuning where subtle chassis flex adjustments change handling balance.
Installation follows the ARC A11 factory mounting pattern; remove the stock upper deck and refit using the same screw points. After installation verify clearance around the servo and suspension towers and run brief tests to check steering geometry and bump steer effects.
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