JKS 1639 Rear Adjustable Upper Control Arm for Jeep Wrangler JK/JL

The JKS 1639 Rear Adjustable Upper Control Arm is engineered for 2007 and newer Jeep Wrangler JK and JL models, providing precise suspension geometry adjustment for lifted vehicles. This heavy-duty control arm features adjustable length to correct pinion angle and maintain proper axle positioning after lifting your Wrangler.

Key Features:

• Adjustable design allows precise tuning of suspension geometry and pinion angle
• Rubber bushings provide quiet operation and smooth ride quality on-road
• Heavy-duty construction built to handle off-road abuse and increased suspension loads
• Direct bolt-on replacement for factory rear upper control arm
• Ideal for vehicles with 2-6 inch lift kits requiring suspension geometry correction
• Powder-coated finish for corrosion resistance and long-lasting durability

This adjustable control arm is essential for maintaining proper driveline angles and reducing vibration on lifted Jeep Wranglers. The rubber bushing design offers an excellent balance between performance and daily drivability, making it perfect for Jeeps that see both trail and street use.