Synergy Rear Lift Springs

2007–2018 Jeep Wrangler JK/JLU

Part #: 8064-45

Overview

Synergy Rear Lift Springs are engineered specifically for Jeep Wrangler JK and JLU models from 2007 to 2018, providing a dependable and effective suspension lift. These springs are designed to enhance your vehicle’s off-road capability by increasing ground clearance and suspension travel, while maintaining a comfortable ride quality. Whether you own a 2-door or 4-door Wrangler, Synergy’s rear lift springs deliver a precise lift—5.5 inches on 2-door models and 4.5 inches on 4-door versions—improving both vehicle stance and performance.

Ideal for Jeep enthusiasts who demand durability and consistent performance, these springs help your Wrangler tackle rough terrain with greater ease and confidence. They also contribute to a more aggressive and purposeful look, complementing other suspension and tire upgrades.

Key Features

Synergy Rear Lift Springs combine robust design with practical benefits, making them a top choice for Jeep Wrangler owners seeking reliable suspension enhancement.

• Provides a 5.5-inch rear lift on 2-door Wrangler JK/JLU models
• Delivers a 4.5-inch rear lift on 4-door Wrangler JK/JLU models
• Improves ground clearance for better off-road capability
• Increases suspension travel for enhanced wheel articulation
• Maintains factory ride quality and handling characteristics
• Durable construction designed to withstand harsh off-road conditions
• Compatible with stock and aftermarket suspension components
• Enhances vehicle stance with a balanced, lifted appearance

Construction & Design

Manufactured with high-quality spring steel, Synergy Rear Lift Springs are precision-engineered to meet the rigorous demands of off-road driving. The springs undergo a heat treatment process to ensure optimal strength and longevity, resisting sagging and fatigue over time. Their design accounts for the specific weight distribution and suspension geometry of the Jeep Wrangler JK/JLU, ensuring consistent performance and ride comfort.

Synergy’s attention to detail in spring rate and coil spacing guarantees that the lift is achieved without compromising the vehicle’s handling or introducing excessive stiffness. This balance makes these springs suitable for daily driving as well as challenging trail conditions.

Installation & Fitment

Installation of Synergy Rear Lift Springs is straightforward for experienced mechanics and off-road enthusiasts familiar with suspension work. They are designed as direct replacements for the factory rear springs on 2007–2018 Jeep Wrangler JK and JLU models, requiring no major modifications. Basic hand tools and a spring compressor are typically sufficient for the job.

These springs fit both 2-door and 4-door Wrangler configurations, delivering the specified lift heights without the need for additional suspension components. For optimal results, it is recommended to inspect and replace worn shocks or other suspension parts during installation.

What’s Included

• One pair of Synergy Rear Lift Springs (left and right)
• Installation instructions

Ideal For

Synergy Rear Lift Springs are perfect for Jeep Wrangler JK and JLU owners who want to improve off-road clearance and suspension travel without sacrificing ride comfort. They suit enthusiasts looking to upgrade their vehicle’s stance and capability for trail riding, rock crawling, or general off-road adventures. Additionally, these springs are a solid choice for those preparing their Jeep for larger tires or other suspension modifications.

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.