The Bilstein B16 (PSS10) suspension kit is a performance flagship system featuring manually adjustable damping with 10 distinct feedback settings. This kit allows for precise suspension tuning, from spirited street driving to heavy track use. The system features front and rear threaded bodies for individual height adjustment. Kit Components and Part Numbers: - 2 x Front Performance Dampers (Inverted Monotube): 35-155847 - 2 x Rear Performance Dampers: 24-155858 - 2 x Front Main Springs: E4-FD1-Y412A00 - 2 x Rear Main Springs: E4-FD1-Y521A00 - 2 x Front Helper Springs: E4-FD1-Z005A02 - 2 x Rear Helper Springs: E4-FD1-Z005A02 - Adjustment Wrenches and Hardware Kit.