The Rock Krawler upper control arms are part of the X Factor X2 (No Limits) long-arm suspension intended for 2018 and newer Jeep Wrangler JL two-door models with a 4.5-inch lift. These upper arms are supplied as the locating links used in that long-arm configuration to maintain proper chassis and axle alignment for the specified JL two-door X Factor X2 No Limits setup.
Rock Krawler 2018+ Jeep Wrangler JL 2DR 4.5in X Factor X2 (No Limits) Long Arm Suspension