The Rock Krawler upper control arm kit for 2020–present Jeep Wrangler JLU 4‑door diesel is specified for the 3.5-inch Adventure‑X No Limits long arm suspension. These upper control arms are the link components called out for that long arm setup and match the No Limits geometry referenced in the description. They are intended to integrate with the Adventure‑X long arm package for this JLU application.
Rock Krawler 2020+ Jeep Wrangler JLU 4DR (Diesel) 3.5in Adventure-X (No Limits) Long Arm Suspension