Rock Krawler kit component boxes for 2007–2018 Jeep Wrangler JKU four-door are included with the 2.5in X Factor system to organize the kit's fasteners and small parts. These boxes correspond to the X Factor four-door installation, helping keep required hardware sorted during assembly of the 2.5in upgrade on JKU Wrangler models.
Rock Krawler 07-18 Jeep Wrangler JKU 4DR 2.5in X Factor System