The aluminum bulkheads are manufactured to join the paid off framework dish and battery pack tray together in a durable, effective, and lightweight design. The bulkheads provide optimal tightness, flex and managing traits, although using harder foam tires. The bulkheads are CNC-machined from premium Swiss 7075 T6 aluminum to possess lightest & strongest framework the car. The bulkheads function a striking titanium color.