Jeep Wrangler JK Adjustable Rear Upper Control Arms

Improve Articulation & Correct Pinion Angle After Lifting

These adjustable rear upper control arms are the perfect upgrade or replacement for your Jeep Wrangler JK’s factory arms. Built for strength and articulation, they’re designed to work with 2.5"–4" lift heights and install easily using your factory mounts. Whether you’re correcting caster and pinion angle after lifting or simply replacing worn factory arms, these provide a smooth ride and improved suspension geometry. For best results, pair them with adjustable lower control arms to achieve proper axle placement and driveline alignment.

Key Features

• Part Number: R2391
• Fits Jeep Wrangler JK rear suspension
• 1.5" x .250-wall DOM tubing construction
• Designed for 2.5"–4" lift heights
• Fully welded and ready to install
• Utilizes factory mounting points

What's Included

• (2) 1.5" x .250-wall DOM Tubing Arms
• (2) Poly Bushings with 9/16" Sleeves
• (2) 7/8" Heim Kits with 9/16" Misalignment Spacers