Aluminum right back Bulkhead - kept has a 1-piece tweak-free design that's more rigid and robust. Bulkhead feature centering pins towards the top area that align the surface of the pod meal during create preventing motion between the components during a collision. To simply help enhance the construction's power and opposition to tweak, the top of pod meal now utilizes 4 mounting screws to secure it on bulkheads. The 1-piece bulkheads utilize eccentric bushing inserts the trunk axle height modification. CNC-machined from premium extra-hard Swiss 7075 T6 black-coated aluminum for longer life and a fashionable look.