Bulkheads function a 1-piece tweak-free design that will be more rigid and robust. The updated reduced profile of the bulkheads and redesigned top dish help to decrease the overall CG of installation. Bulkheads function centering pins on the top area that align the top of pod dish during assembly preventing motion between your components during a collision. To help expand improve the installation's energy and opposition to tweak, the upper pod dish now utilizes 4 mounting screws to secure it on bulkheads The 1 piece bulkheads into the X10 use eccentric bushing inserts for the back axle height adjustment. The aluminum bulkheads allow for very quick & effortless ride height adjustment utilizing eccentric axle holder bushings. The axle height is adjustable in 1/2mm increments over a 5mm range. Can be used with right rear bulkhead #372910