Superlift Coil Springs

2018–2019 Jeep JL Unlimited Rubicon

Part #: 593

Overview

The Superlift 2.5-inch rear coil springs are engineered specifically for the Jeep JL Unlimited Rubicon models from 2018 to 2019. Designed by true off-road enthusiasts, these coil springs provide a reliable and durable lift solution that enhances your Jeep’s capability and stance without compromising ride quality. Whether you’re tackling rugged trails or cruising on pavement, these springs deliver consistent performance and improved ground clearance to help you conquer diverse terrains with confidence.

Superlift has been a trusted name in suspension systems since 1975, combining passion and expertise to develop products that meet the demands of both on-road comfort and off-road toughness. These coil springs are ideal for Jeep owners seeking a moderate lift that maintains factory-like handling characteristics while offering the extra height needed for larger tires and improved off-road articulation.

Key Features

Superlift coil springs are crafted to provide a balanced lift and enhanced suspension performance. Key features include:

• 2.5-inch rear lift designed specifically for Jeep JL Unlimited Rubicon 2018–2019
• Improved ground clearance for better off-road capability
• Maintains factory ride quality and handling characteristics
• Durable construction for long-lasting performance in harsh conditions
• Engineered by off-road enthusiasts with real-world experience
• Compatible with stock and aftermarket suspension components
• Enhances vehicle stance and tire clearance without excessive body lift
• Tested to perform reliably on-road and off-road

Construction & Design

Superlift coil springs are manufactured using high-grade steel alloys that ensure strength and durability under demanding conditions. The springs undergo precise engineering and rigorous testing to provide consistent lift and support while resisting sagging and fatigue over time. The design focuses on delivering a smooth ride with improved articulation, allowing your Jeep to handle rough terrain without sacrificing comfort or control.

Each coil spring is carefully wound and heat-treated to optimize spring rate and resilience, ensuring that the lift height remains stable and the suspension geometry is preserved. This attention to detail guarantees that your Jeep maintains its factory-like driving dynamics while benefiting from enhanced off-road performance.

Installation & Fitment

Installation of the Superlift 2.5-inch rear coil springs is straightforward for experienced technicians and off-road enthusiasts familiar with suspension work. These springs are a direct fit for the 2018–2019 Jeep JL Unlimited Rubicon rear suspension, requiring no major modifications. Proper installation ensures the lift height is achieved while maintaining alignment and suspension geometry.

It is recommended to have the installation performed or inspected by a qualified professional to ensure safety and optimal performance. After installation, a wheel alignment is advised to maintain proper handling characteristics and tire wear.

What's Included

• One pair of Superlift 2.5-inch rear coil springs
• Installation instructions

Ideal For

This product is ideal for Jeep JL Unlimited Rubicon owners from 2018 to 2019 who want to improve their vehicle’s off-road capability and appearance with a moderate rear lift. It suits enthusiasts who seek a balance between enhanced ground clearance and on-road comfort, especially those planning to run larger tires or improve suspension articulation without extensive modifications.