Rock Krawler upper control arms for the 2018–present Jeep Wrangler JL 4-door are part of the 3.5-inch X Factor X2 No Limits long-arm suspension, supplying reinforced upper arm components for lifted JL applications. These upper arms are specified for the JL 4DR fitment and are intended to integrate with the long-arm kit geometry provided by the X2 No Limits system.
Rock Krawler 2018+ Jeep Wrangler JL 4DR 3.5in X Factor X2 (No Limits) Long Arm Suspension