Rock Krawler lower control arms for 2018+ Jeep Wrangler JLU 4-door are part of the 3.5in Ultimate Adventure system, engineered to maintain axle location and handling for that upgrade. These arms are matched to the Ultimate Adventure kit’s geometry and intended ride characteristics, serving as a core suspension linkage when installed on compatible Wrangler 4DR models.
Rock Krawler 2018+ Jeep Wrangler JLU 4DR 3.5in Ultimate Adventure System