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The Rock Krawler upper control arm is specified for 2021+ Jeep Wrangler JLU 4-door (392) as part of the X Factor X2 (No Limits) long arm suspension for a 4.5‑inch configuration. These upper arms form the critical link in that long-arm kit, maintaining alignment and travel when used together with the X Factor X2 long arm components.
Rock Krawler 2021+ Jeep Wrangler JLU 4DR (392) 4.5in X Factor X2 (No Limits) Long Arm Suspension
