The Bilstein B14 Performance Suspension System (PSS) is a peak-performance coilover kit designed to transform your Ford Fiesta's handling. This kit offers gas-pressure technology and manually adjustable ride-height settings, allowing a lowering range of approximately 30mm to 50mm for both front and rear axles. The threaded body allows for precise tuning to achieve the perfect stance and center of gravity. Kit Contents (Part Numbers): - 2 x Front Gas-Pressure Shock Absorbers with Threaded Body (Part: 35-242054) - 2 x Rear Gas-Pressure Shock Absorbers (Part: 24-242065) - 2 x Front Main Springs (Part: E4-FD1-Y243A00) - 2 x Rear Main Springs (Part: E4-FD1-Y435A00) - 2 x Rear Adjustable Spring Seats / Aluminum Spacers - 1 x Adjustment C-Spanner Wrench Set - Triple-C-Technology surface coating for long-lasting corrosion resistance.