Redesigned REMAINING rear bulkhead to work well with the separate wing mount system. The updated design allows to reduce the diff destination by 0.5mm for greater range of trip height modifications. Reinforced design to eradicate the chance of bending in crashes CNC-machined LEFT straight back bulkhead produced from premium extra-strong Swiss 7075 T6 aluminum, black colored coated for very long life and fashionable look. Strategically machined for repaid fat while maintaining power. The little back bulkheads like top bulkhead clamps are notably reduced and lighter, offering ultra-low CG of the straight back suspension system system. Made for very swift & effortless ride height modification. It is possible to forget hassle to dismount the car to improve a corner ride height! The included ride height shims are placed relating to the bulkhead and top bulkhead clamp to alter drive height: smart & simple. The ride height modification allows ultra-fine adjustment by 0.25mm increments, in comparison to the sooner 0.5mm increments utilizing eccentric bushings. Can be used with right back bulkhead #373017.