2017-2018 Explorer/Taurus vehicles equipped with 3.5L gasoline turbocharged direct injection (GTDI) engine and built on or after 27-Jun-2017 are equipped with a revised rear lower roll restrictor that eliminates the need for the front roll restrictor. The front roll restrictor has been eliminated by design on these vehicle applications even though the brackets may still be present. Do not add the front roll restrictor to units built after this date, as it may negatively impact the noise, vibration and harshness (NVH) attributes.