The Rock Krawler RRD shock for 2020–present Jeep Wrangler JLU four‑door diesel models is the Stage 1 unit specified for the 2.5in X Factor Pro Aluminum System. As the Stage 1 shock in the Pro Aluminum variant, it is supplied to pair with that X Factor kit on 2020+ JLU 4DR diesel configurations and to meet the system’s staged damping arrangement.
Rock Krawler 2020+ Jeep Wrangler JLU 4DR (Diesel) 2.5in X Factor Pro Aluminum System - Stage 1