ARC A11 Split Upper Deck Rear/Front Graphite 1.6mm Upgrade - O-ARCP06S by Factory Pro  [FP-O-ARCP06S]

ARC A11 Split Upper Deck - Product Overview

This split upper deck is a direct replacement hop-up created for the ARC A11 touring car platform. Manufactured as a graphite 1.6mm plate, it installs in the rear/front upper deck area and serves as an upper-chassis mounting element on the A11.

The component is intended to modify local chassis stiffness and to help rebalance front-to-rear load transfer. Swapping between upper deck pieces is a practical method to fine-tune how the chassis shares loads between suspension points and to alter the car's response during corner entry and mid-corner phases.

Fitting the part requires basic removal of the A11 upper deck area to swap out the standard plate and mount this split unit in the rear and front positions. Verify fastener alignment and ensure the deck sits flush; slight changes in mounting torque will alter perceived stiffness because the plate is graphite.

Tuning notes: use this deck to evaluate shifts in understeer or oversteer and to refine chassis feel without changing suspension geometry. Keep setup notes so you can compare lap-to-lap differences when trying decks of varying thickness or materials.