The Bilstein B14 Performance Suspension System (PSS) is a race-inspired coilover kit designed to transform the handling and aesthetics of the Ford Focus ST. This kit features high-performance monotube gas pressure shock absorbers and matched progressive rate springs. It offers manual height adjustment, allowing for a lowering range of approximately 30mm to 50mm on the front and rear axles. The kit provides professional-level cornering performance without sacrificing everyday ride comfort. Kit Components: - Front Left Strut: 35-232966 - Front Right Strut: 35-232973 - Rear Shock Absorbers (x2): 24-232981 - Front Main Springs (x2): E4-FD1-Y181A00 - Rear Main Springs (x2): E4-FD1-Y445A00 - Height Adjustment Plates: Included - Hook Spanner Wrench: Included