The Bilstein B16 (PSS10) Suspension Kit offers parallel mechanical adjustment of rebound and compression by 10 clearly clickable stages. Designed for vehicles with a 55mm strut diameter and multi-link rear axle. Lowering range: Front 30-50mm, Rear 30-50mm. This premium coilover kit includes: 2x Front Performance Struts (VM3-G134), 2x Rear Performance Shock Absorbers (BM5-G135), 2x Front Main Springs (E4-FD1-Y412A00), 2x Rear Main Springs (E4-FD1-Y508A00), 2x Rear Aluminum Spring Seats, and 1x Adjustment Spanner Tool Set. Engineered for track performance and street comfort.