RockJock Rear Coil Springs

2007–2018 Jeep Wrangler JK 3.6L V6 / 3.8L V6

Part #: CE-9132R1P

Overview

The RockJock Rear Coil Springs provide a reliable 5-inch lift for Jeep Wrangler JK and JK Unlimited models from 2007 through 2018, including both 2-door and 4-door configurations. Designed to directly replace the factory rear coil springs, these springs are engineered to enhance your Jeep’s off-road capability while maintaining a comfortable ride on the street. Whether paired with RockJock Johnny Joint suspension systems or compatible with other lift kits, these springs deliver improved height control and suspension performance.

Developed through extensive research and testing, RockJock has optimized the spring rate to balance ride comfort with rugged off-road durability. This makes the springs an excellent upgrade for Jeep enthusiasts seeking both enhanced ground clearance and dependable handling.

Key Features

RockJock rear coil springs are crafted to meet the demands of serious off-roaders and daily drivers alike. Key features include:

• 5-inch rear lift specifically calibrated for Jeep Wrangler JK and JK Unlimited (2007–2018)
• Direct factory spring replacement for easy installation
• Optimized spring rate for improved ride quality and height control
• Compatible with RockJock Johnny Joint suspension systems and other lift kits
• Durable gloss black powder coat finish for corrosion resistance and long-lasting appearance
• Engineered to maintain factory ride comfort while enhancing off-road performance
• Extensive research and testing ensure consistent quality and performance

Construction & Design

These coil springs are manufactured using high-quality steel alloys designed to withstand the rigors of off-road use and heavy loads. The gloss black powder coat finish not only protects against rust and corrosion but also provides a sleek, durable surface that resists chipping and wear. RockJock’s engineering team carefully tuned the spring rate to deliver a smooth ride without sacrificing the lift height or suspension articulation needed for challenging terrain.

Installation & Fitment

The RockJock Rear Coil Springs are designed as a direct replacement for the factory rear springs on Jeep Wrangler JK models from 2007 to 2018, covering both 3.8L V6 engines (2007–2011) and 3.6L V6 engines (2012–2018). Installation is straightforward for experienced mechanics or off-road enthusiasts familiar with suspension work. No major modifications are required when used with compatible lift kits or RockJock Johnny Joint suspension components. For those unsure about fitment or installation, RockJock’s knowledgeable sales staff is available to provide expert guidance.

What's Included

• Pair of RockJock Rear Coil Springs (5-inch lift)

Ideal For

This product is ideal for Jeep Wrangler JK owners seeking a reliable and well-engineered rear suspension lift. It suits off-road enthusiasts who want increased ground clearance and improved suspension articulation without compromising daily driving comfort. Additionally, it is perfect for those upgrading or maintaining their RockJock Johnny Joint suspension system or integrating with other compatible lift kits.

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.