Rock Krawler Suspension RK08311 X Factor Pro Rear Upper Control Arm for Jeep JK/JKU/JL/JLU

The Rock Krawler Suspension X Factor Pro Rear Upper Control Arm is an aluminum-constructed high-performance suspension component designed for Jeep Wrangler JK, JKU, JL, and JLU models. This rear upper control arm delivers enhanced articulation and strength over factory components while maintaining proper suspension geometry during off-road use.

Key Features:

• Premium aluminum construction reduces unsprung weight while maximizing strength
• X Factor Pro design provides superior articulation for extreme off-road conditions
• Precision-engineered geometry maintains proper axle positioning and caster angles
• Heavy-duty bushings and hardware ensure long-lasting durability
• Direct bolt-on installation for Jeep Wrangler JK/JKU (2007-2018) and JL/JLU (2018+)
• Sold individually as rear upper control arm

Rock Krawler's X Factor Pro control arms are engineered to handle the demanding conditions of rock crawling and extreme trail riding while providing reliable performance on the street. The aluminum construction offers an excellent strength-to-weight ratio, improving suspension response and reducing wear on mounting points.