RockJock Rear Coil Springs

2018–2026 Jeep Gladiator 3.6L Gas & EcoDiesel

RJ-154401-101

Overview:

The RockJock 3.5-inch Lift Rear Coil Springs are engineered specifically for Jeep Gladiator models from 2018 through 2026 equipped with either the 3.6L gasoline or EcoDiesel engines. Designed as a direct replacement for factory springs, this pair provides a substantial 3.5-inch lift to enhance your Gladiator’s off-road capability and stance. These springs are ideal for Jeep enthusiasts seeking improved ride quality, better height control, and compatibility with RockJock Johnny Joint suspension systems or other lift kits.

Extensive research and development have gone into perfecting the spring rate and coil quality, resulting in a suspension upgrade that balances comfort on the street with robust performance on rugged terrain. Finished in a durable gloss black powder coat, these springs offer both style and long-lasting corrosion resistance.

Key Features:

RockJock’s rear coil springs deliver a reliable and performance-driven suspension upgrade with the following key features:

• 3.5-inch lift height for enhanced ground clearance and aggressive stance
• Direct factory spring replacement for straightforward installation
• Optimized spring rate for improved ride comfort and off-road control
• Gloss black powder coat finish for corrosion resistance and sleek appearance
• Compatible with RockJock Johnny Joint suspension systems and other lift kits
• Engineered specifically for Jeep Gladiator models with 3.6L gas or EcoDiesel engines
• Durable construction designed to withstand harsh off-road conditions
• Extensively tested to ensure consistent performance and longevity

Construction & Design:

These coil springs are crafted from high-quality steel alloys selected for strength and durability under demanding off-road use. The precise spring rate was developed through rigorous testing to provide a balance between ride comfort and suspension articulation. The gloss black powder coat finish not only enhances corrosion resistance but also adds a refined look that complements the rugged styling of the Jeep Gladiator. Each spring is engineered to maintain consistent performance over time, resisting sagging and fatigue.

Installation & Fitment:

The RockJock rear coil springs are designed for direct bolt-on installation, replacing the factory rear springs without the need for additional modifications. They fit a wide range of Jeep Gladiator trims from 2018 to 2026, including popular editions such as the Rubicon, Mojave, Overland, Sport, Willys, and special anniversary models. Installation is straightforward for experienced mechanics or off-road enthusiasts familiar with suspension upgrades. For those needing assistance selecting the correct springs or installation guidance, RockJock’s knowledgeable sales staff is available to help.

What's Included:

• Pair of RockJock 3.5-inch lift rear coil springs

Ideal For:

This coil spring set is perfect for Jeep Gladiator owners looking to improve their vehicle’s off-road performance and ground clearance without compromising ride quality. Whether you’re upgrading a daily driver, preparing for trail adventures, or enhancing a lifted suspension setup, these springs provide a reliable and well-engineered solution. They are especially suited for those running RockJock Johnny Joint suspension systems or other compatible lift kits seeking a balanced and comfortable lift.

Fitment Summary

• 2018–2026 Jeep Gladiator (All trims with 3.6L gas or EcoDiesel engines)
• Includes 80th Anniversary (2021), Altitude (2020, 2022), High Altitude (2021–2023), Launch Edition (2020), Mojave (2020–2024), Mojave X (2024), Overland (2020–2023), Rubicon (2020–2024), Rubicon X (2024), Sport (2020–2024), Sport S (2020–2024), Willys (2021–2024), Willys Sport (2021–2022)

RockJock 4x4 by John Currie develops trail-proven suspension and steering components for Jeeps and modern off-road platforms, including complete lift systems and the well-known AntiRock sway bar setups. Built around durable, articulation-friendly designs, RockJock is a go-to for enthusiasts who want confident road manners and real capability when the terrain gets technical.