Maintaining the peak performance of the 280ps Ford Focus ST Mk4 which is the final and most refined generation of the iconic Focus ST requires strict adherence to routine maintenance intervals. Powered by the potent 2.3-litre EcoBoost engine, keeping your hot hatch or ST Edition performing flawlessly starts here. Take the guesswork out of your routine maintenance with our complete Service Kits, packed with the exact premium Engine Fluids required for your high-output 2.3 motor. Protect against oil contamination and engine wear with our selection of high-flow, OEM-quality Service Filters designed specifically for the Mk4 platform.