The aluminum bulkheads are made to join the lower chassis plate and battery pack tray together in a durable, effective, and lightweight design. The bulkheads provide optimal stiffness, flex and handling characteristics, even though utilizing harder foam tires. The bulkheads are CNC-machined from premium Swiss 7075 T6 aluminum to offer the lightest & strongest framework for the vehicle. The bulkheads feature a striking titanium color.