This Rock Krawler kit box is specified for 2017–2022 Ford F450 4x4 and is presented as the XF kit box for a 4" configuration. The listing identifies the model years and axle application so buyers can confirm the correct kit packaging for a Ford F450 4x4 build requiring the 4-inch specified component box in that model range.
Rock Krawler 17-22 Ford F450 4x4 Kit Box XF - 4in