The Rock Krawler X Factor X2 long arm kit with a 6-inch rear stretch is specified for 2007–2018 Jeep Wrangler JK 2-door applications with a 4.5-inch nominal lift. These kit component boxes reference the X2 long-arm system configured with an extended 6-inch rear stretch, supporting the suspension geometry changes required by that long-arm setup across the listed years.
Rock Krawler 07-18 Jeep Wrangler JK 2DR 4.5in X Factor X2 Long Arm w/ 6in Rear Stretch