View Kit Online Install Instructions Zone Offroad Products is now offering 6″ heavy duty replacement radius arm lift kits for the redesigned 2017 Super Duty. These new kits join the existing 1″, 2″ and 4″ lift and leveling kits currently offered and allow for clearance of up to 38″ tires under the late model F250/F350 trucks. These new 6″ lift options is available diesel equipped trucks and offer improved offroad performance, while maintaining on-road drivability. As with all Zone Offroad lift kits these are backed by Factory Protection Plus for a limited lifetime warranty on parts along with a 5-year,