Rock Krawler box kit components for 2007–2018 Jeep Wrangler JK configured as a 4.5 AX/X2 with a 6-inch rear stretch denote the rear upper elements for that long arm kit setup. The entry identifies rear upper parts intended for JK applications that require a 4.5-inch AX/X2 configuration combined with a six-inch rear stretch for the listed model years.
Rock Krawler 07-18 Jeep Wrangler JK Box Kit JK 4.5 AX/X2 w/ 6in Rear Stretch - Rear Upper