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This Rock Krawler kit box covers 2011–2016 Ford F250/F350 Super Duty applications marked XF and sized for 3.5in/4.0in configurations. Delivered as a component box, it groups the vehicle-specific parts associated with the Super Duty 3.5-inch and 4.0-inch options for use on 2011–2016 F250 and F350 trucks needing that kit designation.
Rock Krawler 11-16 Ford F250/F350 Box Kit Super Duty 3.5in /4.0in XF
