The aluminum bulkheads are designed to join the reduced framework dish and battery pack tray together in a durable, effective, and lightweight design. The bulkheads offer optimal stiffness, flex and handling faculties, even though making use of harder foam tires. The bulkheads are CNC-machined from premium Swiss 7075 T6 aluminum to provide you with the lightest & strongest framework for the car. The bulkheads feature a striking titanium color.