Synergy Adjustable Rear Upper Control Arms

2005–2026 Jeep Wrangler, Gladiator, Grand Cherokee

8854-01

Overview:

The Synergy Adjustable Rear Upper Control Arms are engineered to enhance the suspension geometry and improve the handling characteristics of your Jeep. Designed specifically for a wide range of Jeep models from 2005 through 2026, including Wrangler, Gladiator, and Grand Cherokee, these control arms offer precise adjustability to correct pinion angle and suspension alignment after lift installations or heavy off-road use.

Ideal for Jeep enthusiasts who demand improved rear axle articulation, reduced driveline vibrations, and extended suspension component life, these control arms provide a durable and reliable upgrade. Whether you are upgrading your daily driver or building a serious off-road rig, Synergy’s adjustable rear upper control arms deliver the performance and adjustability needed for optimal suspension tuning.

Key Features:

Synergy’s adjustable rear upper control arms incorporate advanced design elements to ensure superior performance and durability:

• Adjustable length design allows precise pinion angle correction and suspension geometry tuning
• Compatible with multiple Jeep models including 2005–2010 Grand Cherokee, 2007–2018 Wrangler JK/JKU, and 2018–2026 Wrangler JL/JLU and Gladiator JT
• Heavy-duty construction to withstand rigorous off-road conditions and daily driving abuse
• High-quality bushings or spherical rod ends (depending on model) for improved articulation and reduced deflection
• Corrosion-resistant finish for long-lasting durability in harsh environments
• Precision-machined components for smooth adjustability and secure fitment
• Designed to maintain proper suspension geometry after lift kit installation
• Improves driveline angles to reduce vibrations and drivetrain wear

Construction & Design:

Synergy manufactures these rear upper control arms using premium-grade steel and robust hardware to ensure maximum strength and longevity. The arms are engineered with precision to provide a perfect fit and smooth adjustability, allowing users to dial in suspension settings with ease. The corrosion-resistant coating protects against rust and environmental damage, making these control arms suitable for both on-road and off-road use.

The design incorporates reinforced mounting points and high-quality bushings or rod ends that balance durability with articulation, enhancing suspension performance without compromising ride quality. This thoughtful engineering ensures that your Jeep’s rear suspension remains stable and responsive under all driving conditions.

Installation & Fitment:

Installation of the Synergy Adjustable Rear Upper Control Arms is straightforward for anyone with basic mechanical skills and common hand tools. These control arms are designed to be a direct fit replacement for the factory components on the specified Jeep models, requiring no major modifications. Adjustability allows for fine-tuning after installation to achieve optimal pinion angle and suspension alignment, especially important when running lift kits or aftermarket suspension components.

Proper installation ensures improved driveline angles, reduced vibrations, and enhanced rear axle articulation, contributing to a smoother and more controlled ride both on and off the road.

What's Included:

• Pair of Synergy Adjustable Rear Upper Control Arms
• All necessary mounting hardware
• Adjustment tools or instructions (if applicable)
• Installation guide

Ideal For:

These adjustable rear upper control arms are perfect for Jeep owners who have installed lift kits or upgraded their suspension and want to maintain proper geometry and driveline angles. They are also ideal for off-road enthusiasts seeking improved rear axle articulation and durability, as well as daily drivers looking to reduce vibrations and extend the life of suspension components. Compatible with a broad range of Jeep Wrangler, Gladiator, and Grand Cherokee models from 2005 to 2026, these control arms offer versatility and performance for many Jeep builds.

Synergy Manufacturing develops heavy-duty off-road steering and suspension components for platforms like Jeep, RAM, and Ford—parts designed to survive larger tires, lifted geometry, and real trail abuse. From steering kits and tie rods to suspension systems and recovery gear, Synergy focuses on strength and performance-minded engineering for rigs built to be driven hard off-road.