JKS Manufacturing Adjustable J-Flex Upper Control Arms (FRONT): Fits Most Jeep Wrangler Models (2007-2018)

JKS Manufacturing Adjustable J-Flex Upper Control Arms

2007–2018 Jeep Wrangler, 2005–2010 Jeep Grand Cherokee

JKS1615

Overview:

The JKS Manufacturing Adjustable J-Flex Upper Control Arms are engineered to enhance the off-road performance and suspension geometry of your Jeep Wrangler or Grand Cherokee. Designed for serious enthusiasts who demand durability and precision, these control arms provide improved tire clearance and suspension articulation. Their adjustable design allows for fine-tuning of your vehicle’s front suspension, ensuring optimal alignment and handling under extreme conditions.

Built to withstand rugged terrain and heavy use, these control arms are an essential upgrade for Jeep owners looking to maximize their vehicle’s capability and reliability on and off the trail.

Key Features:

These adjustable upper control arms incorporate advanced engineering and robust materials to deliver superior performance and longevity. Key features include:

• Adjustable arm design with forged "flex" ends and jam nuts featuring 1"-14 threads for precise suspension tuning
• CNC-formed DOM tubing construction for proper tire, frame, and axle mount clearance
• Fully rebuildable and greaseable forged ends to extend service life and maintain smooth operation
• Heavy-duty 1/4"-12 threads with hex-shaped weld-in threaded bung for secure and easy jam nut tightening
• Boxed mount design at the non-adjustable end for increased strength and durability
• Durable powder-coated finish to resist corrosion and wear in harsh environments
• Sold in pairs for complete front suspension upgrade

Construction & Design:

Manufactured from CNC-bent DOM (Drawn Over Mandrel) steel tubing, the J-Flex control arms offer exceptional strength while maintaining precise fitment. The forged adjustable ends are designed to flex under load, reducing stress on suspension components and improving articulation. These ends are fully rebuildable and greaseable, allowing for maintenance and extended durability. The boxed mount at the fixed end enhances structural integrity, ensuring the arms withstand the rigors of off-road driving. The entire assembly is finished with a tough powder coat to protect against rust and abrasion.

Installation & Fitment:

Installation of the JKS Adjustable J-Flex Upper Control Arms is straightforward for experienced mechanics and off-road enthusiasts. They are designed to fit a wide range of Jeep Wrangler models from 2007 to 2018, including Rubicon, Sahara, Sport, Sport S, Unlimited, and special anniversary editions. Additionally, these control arms fit 2005 to 2010 Jeep Grand Cherokee models. No major modifications are required, and the adjustable design allows for precise alignment adjustments to optimize suspension geometry after installation.

What's Included:

• Pair of JKS Adjustable J-Flex Upper Control Arms
• Jam nuts for secure adjustment
• Installation hardware (where applicable)
• Detailed instructions for installation and adjustment

Ideal For:

This product is ideal for Jeep owners who frequently engage in off-road driving, rock crawling, or require enhanced suspension performance and durability. It suits those looking to improve tire clearance, suspension articulation, and overall vehicle handling while maintaining factory ride quality. Whether upgrading a daily driver or preparing a trail-ready Jeep, these control arms provide the strength and adjustability needed for demanding conditions.