Rock Krawler 2021+ Jeep Wrangler JLU 4DR (4XE) 4.5in X Factor Coilover System

The Rock Krawler JL 4.5 X Factor Mid Arm System is a complete bolt-in installation designed for maximum articulation and off-road performance. It features X Factor Series adjustable lower control arms for 90 degrees of misalignment, and high misalignment adjustable upper control arms for precision caster tuning. The system includes industry-leading triple rate coil springs that provide 4.5" of lift to clear up to 40" tires (depending on model) and improve on-road ride. It also comes with correction pads to reduce spring bow and front & rear track bar geometry corrections for perfect axle centering and on-road handling.