The Rock Krawler RRD shock for 2021+ Jeep Wrangler JLU 4-door (392) is supplied for the X Factor (No Limits) 4.5‑inch system as the Stage 1 shock set. It is the damping element specified to pair with the X Factor Stage 1 kit, supporting the intended ride and wheel travel for a 4.5‑inch lift when installed alongside the kit's other recommended components.
Rock Krawler 2021+ Jeep Wrangler JLU 4DR (392) 4.5in X Factor (No Limits) System - Stage 1