This Rock Krawler component box fits 2017+ Ford F250 and F350 Super Duty applications marked XF and sized for 3.5in/4.0in kits. Supplied as a vehicle-specific kit box, it consolidates the parts needed for Super Duty suspension configurations at the 3.5- and 4.0-inch ranges on 2017 and newer F250/F350 models.
Rock Krawler 2017+ Ford F250/F350 Box Kit Super Duty 3.5in /4.0in XF