The Rock Krawler RRD shocks for 2018+ Jeep Wrangler JLU 4DR are specified as Stage 1 units within the 3.5-inch X Factor Pro aluminum system. These shocks are offered as the Stage 1 option for JLU 4-door owners choosing the 3.5-inch aluminum X Factor setup and are identified to match Rock Krawler’s kit-level component strategy for that chassis and lift height.
Rock Krawler 2018+ Jeep Wrangler JLU 4DR 3.5in X Factor Pro Aluminum System - Stage 1