The aluminum bulkheads are made to become listed on the lower framework meal and battery pack tray together in a durable, effective, and lightweight design. The bulkheads provide optimal tightness, flex and handling faculties, whether or not utilizing harder foam tires. The bulkheads are CNC-machined from premium Swiss 7075 T6 aluminum to provide you with the lightest & strongest framework the automobile. The bulkheads work a striking titanium color.