The paid down profile associated with the front side bulkheads permits the air tray to stay paid down for improved CG. The top of shock mount place generally built-into the bulkhead eliminating the necessity for another surprise tower and creates an extra flex modification the front suspension system making use of included cross brace. Aluminum bulkheads are CNC-machined from premium Swiss 7075 T6 aluminum to offer the lightest & strongest framework for the car. Black coated.