Fits Mk2 ST225, Mk2 RS, Mk3 ST250, Mk3 ST Diesel, Mk3 RS. This torque mount will fit all Mk2 and Mk3 focus variants, ST and RS models we feel will see the biggest benefits from fitting this torque mount, however even your 1.0l Mk3 EcoBoost Focus can reap the benefits from upgrading over the factory torque mount.