The Rock Krawler RRD Stage 1 shock for 2020–present Jeep Wrangler (JLU) 4-door diesel applications is specified for use with the Adventure‑X 4.5in long arm suspension. Identified as the Stage 1 option, this shock is the component supplied within that long-arm package and intended to match the Adventure‑X long-arm geometry and travel parameters for those Jeep models.
Rock Krawler 2020+ Jeep Wrangler JLU 4DR (Diesel) 4.5in Adventure-X Long Arm Suspension - Stage 1