Redesigned motor-side RIGHT rear bulkhead to work well with the independent wing mount system. The updated design enables to lower the diff position by 0.5mm for greater range of ride height adjustments. CNC-machined from premium extra-strong Swiss 7075 T6 aluminum, black colored coated for long life and stylish appearance. Strategically machined for reduced weight while keeping energy. The small back bulkheads such as the upper bulkhead clamps are dramatically lower and lighter, giving ultra-low CG of the rear suspension system. Designed for very swift & easy ride height modification. No more hassle to dismount the vehicle to improve the trunk trip height! The included ride height shims are placed between your bulkhead and upper bulkhead clamp to improve ride height: smart & effortless. The ride height modification permits ultra-fine adjustment by 0.25mm increments, compared to the last 0.5mm increments utilizing eccentric bushings. Must be used with left backside bulkhead #373027.