The Rock Krawler RRD shock for 2021+ Jeep Wrangler JLU 4-door (392) is specified for the 3.5in X Factor (No Limits) System - Stage 1. This identifies the shock as the Stage 1 unit within Rock Krawler's X Factor 3.5in offering for 2021+ Wrangler 392 models. The overview emphasizes the intended system-level fitment for shoppers installing Stage 1 components.
Rock Krawler 2021+ Jeep Wrangler JLU 4DR (392) 3.5in X Factor (No Limits) System - Stage 1