The Rock Krawler RRD shock for 2021+ Jeep Wrangler JLU 4‑door 4XE is specified as Stage 1 within the 3.5in X Factor Pro aluminum system. This shock is a component of the Stage 1 valved setup intended to pair with the X Factor Pro package to control wheel motion for that 3.5in lift configuration. Choose it when replacing or upgrading Stage 1 dampers in the matching Rock Krawler aluminum system.
Rock Krawler 2021+ Jeep Wrangler JLU 4DR (4XE) 3.5in X Factor Pro Aluminum System - Stage 1