The Rock Krawler 4.5-inch front coil spring kit for 2021+ Jeep Wrangler JLU four-door 4XE applications supplies the 4.5in front coil specification as a kit. Specified for JLU 4DR 4XE models, this front coil kit matches the listed front coil height and is intended for applications that require the quoted 4.5-inch front coils.
Rock Krawler 2021+ Jeep Wrangler JLU 4DR 4.5in Front Coil (4XE) Spring Kit