The aluminum bulkheads are created to join the paid down framework dish and battery pack tray together in a durable, effective, and lightweight design. The bulkheads provide optimal tightness, flex and managing faculties, regardless if using harder foam tires. The bulkheads are CNC-machined from premium Swiss 7075 T6 aluminum to present the lightest & strongest framework the auto. The bulkheads function a striking titanium color.