The Rock Krawler RRD shocks are the Stage 1 shock component for the 4.5-inch X Factor X2 Pro long-arm suspension on 2018 and newer Jeep Wrangler JL two-door models. Supplied as part of the long-arm package, these Stage 1 RRD shocks provide the damping element specified for that X Factor X2 Pro setup. They are intended for JL two-door long-arm installations at the 4.5-inch spec.
Rock Krawler 2018+ Jeep Wrangler JL 2DR 4.5in X Factor X2 Pro Long Arm Suspension - Stage 1