Synergy Adjustable Rear Upper Control Arm

2018–2026 Jeep Wrangler / Gladiator JT

8870-01

Overview:

The Synergy Adjustable Rear Upper Control Arm is engineered specifically for the 2018–2026 Jeep Wrangler and Jeep Gladiator JT models. Designed to enhance suspension geometry and improve rear axle articulation, this control arm is an essential upgrade for off-road enthusiasts and daily drivers alike. By allowing precise adjustment of the rear upper control arm length, it helps correct pinion angle and reduces driveline vibrations, resulting in a smoother and more controlled ride.

Whether you are lifting your Jeep or seeking improved handling and durability, the Synergy Adjustable Rear Upper Control Arm provides a reliable solution that maintains factory alignment settings while accommodating suspension modifications.

Key Features:

Built to meet the demands of serious off-road use and street performance, this control arm offers the following key features:

• Fully adjustable length for precise suspension tuning and pinion angle correction
• Heavy-duty construction designed to withstand harsh off-road conditions
• High-quality rod ends with sealed bearings for smooth articulation and long service life
• Compatible with factory and aftermarket suspension components
• Improves rear axle alignment to reduce driveline vibrations and premature wear
• Powder-coated finish for corrosion resistance and durability
• Direct bolt-on fitment for 2018–2026 Jeep Wrangler and Gladiator JT models

Construction & Design:

The Synergy Adjustable Rear Upper Control Arm is crafted from robust steel tubing, providing exceptional strength and rigidity required for off-road performance. The precision-machined rod ends feature sealed bearings that ensure smooth movement and resist contamination from dirt and moisture. The control arm’s adjustable design allows for fine-tuning of suspension geometry, which is critical when running lifts or aftermarket suspension setups.

Each component is finished with a durable powder coat that protects against rust and corrosion, ensuring long-lasting performance even in the toughest environments. The engineering behind this control arm prioritizes both strength and adjustability, making it a versatile upgrade for Jeep owners.

Installation & Fitment:

Installation of the Synergy Adjustable Rear Upper Control Arm is straightforward and designed to be a direct replacement for the factory control arm on 2018–2026 Jeep Wrangler and Gladiator JT models. No major modifications are required, and the adjustable length feature allows for easy alignment adjustments after installation. It is recommended to have a professional alignment performed following installation to ensure optimal suspension geometry and driveline angles.

What's Included:

• One adjustable rear upper control arm assembly
• All necessary mounting hardware
• Installation instructions

Ideal For:

This adjustable rear upper control arm is ideal for Jeep Wrangler and Gladiator owners who have installed or plan to install suspension lifts, aftermarket shocks, or other suspension modifications. It is perfect for off-road enthusiasts seeking improved axle articulation and driveline reliability, as well as daily drivers wanting to maintain factory alignment and reduce vibrations after suspension upgrades.

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.