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The Rock Krawler lower control arm for 2021+ Jeep Wrangler JLU 4‑door 4XE applications is a direct component of the 3.5in X Factor Pro aluminum suspension system. It serves as a replacement or upgrade arm within that aluminum system to maintain correct suspension geometry after lift installation. Specify it when building or repairing the 3.5in X Factor Pro setup on compatible JLU 4‑door 4XE models.
Rock Krawler 2021+ Jeep Wrangler JLU 4DR (4XE) 3.5in X Factor Pro Aluminum System
