The Rock Krawler RRD shock is specified for 2021+ Jeep Wrangler JLU 4-door (392) in the Adventure‑X Pro (No Limits) long arm suspension for a 4.5‑inch setup. Intended as the matched shock for the Pro long arm kit, it should be used with the kit's other components to achieve the designed ride height and travel characteristics for that configuration.
Rock Krawler 2021+ Jeep Wrangler JLU 4DR (392) 4.5in Adventure-X Pro (No Limits) Long Arm Suspension