The Rock Krawler 2.5-inch rear coil spring kit for 2021+ Jeep Wrangler JLU four-door 4XE applications supplies the rear coil specification for JLU 4DR 4XE models as a kit. Listed as a 2.5in rear coil spring kit, it matches the 4XE rear coil requirement noted in the product description and is intended for those specific JLU applications.
Rock Krawler 2021+ Jeep Wrangler JLU 4DR 2.5in Rear Coil (4XE) Spring Kit