CNC-machined LEFT back bulkhead built from premium extra-strong Swiss 7075 T6 aluminum, black colored colored colored coated for very long life and trendy look. Strategically machined for zero fat while maintaining energy. The little back bulkheads just like the top bulkhead clamps are dramatically paid down and lighter, providing ultra-low CG the back suspension system system. Designed for excessively swift & effortless journey height modification. No further hassle to dismount the auto to alter a large part journey height! The included ride height shims sit in the middle of your bulkhead and top bulkhead clamp to improve drive height: smart & effortless. The newest method of trip height modification allows ultra-fine adjustment by 0.25mm increments, set alongside the final 0.5mm increments utilizing eccentric bushings. Can be utilized with back bulkhead #373015.