ZERONINE Design Performance Spring Kit – Ford Focus ST Mk4/Mk4.5

09 Design Performance Spring Kit – Ford Focus ST Mk4/Mk4.5 Upgrade your Focus ST with a balanced drop and sharper handling, without spoiling daily comfort. This 09 Design spring kit lowers the front by 20mm and the rear by 25mm for a cleaner stance and more confidence in the bends. Tested over thousands of miles on road and track, the springs deliver quicker turn-in, better mid-corner stability, and improved traction on exit. Ride quality remains compliant for everyday use. Key benefits Reduced body roll and more precise steering feel Lower, more purposeful stance: 20mm front, 25mm rear Comfortable for daily driving and long trips Fitment For Ford Focus ST Mk4 and Mk4.5 models, including the 2.3 EcoBoost ST. Please use our vehicle lookup to confirm compatibility or see the Vehicle Fitment tab for full details. Installation and safety Intended for use with OE dampers in good condition or quality uprated dampers. Professional fitting is recommended. After installation, have a full four-wheel alignment carried out. Re-torque all fasteners after the springs have settled. Check wheel and tyre clearance if using non-standard sizes. Front drop 20mm Rear drop 25mm Use Daily driving, fast-road, track-capable Additional Information Weight 11.3 kg Brand ZERONINE Design