Skyjacker Long Travel Coil System

2021–2024 Jeep Wrangler 6.4L 392

Part #: JL25R3BPELT

Overview

The Skyjacker Long Travel Coil System 2.5in is engineered specifically for the 2021–2024 Jeep Wrangler equipped with the powerful 6.4L 392 HEMI V8 engine. Designed to enhance both on-road handling and off-road capability, this coil system addresses the demands of Jeep enthusiasts who seek improved suspension performance without sacrificing ride comfort. By upgrading the factory coil springs while retaining the tuned OEM shocks, this system delivers superior articulation, increased ground clearance, and better tire contact on challenging terrain.

Ideal for owners running aggressive 37-inch tires, the Skyjacker coil system optimizes suspension travel and geometry to maintain stability and control. It is a perfect solution for those who want to maximize the Rubicon 392’s off-road potential while preserving its refined on-pavement dynamics.

Key Features

This coil system incorporates advanced engineering to meet the unique suspension requirements of the Jeep Wrangler Rubicon 392. Key features include:

• Progressive variable rate coil springs with a distinctive 2-stage dual rate long travel design
• First Flex Rate stage provides a comfortable ride and increased articulation during suspension droop
• Second Ride Rate stage engages under compression for enhanced impact absorption and handling
• Side-specific rear coils tailored to the Rubicon 392’s suspension characteristics
• Front and rear shock extension relocation brackets to reposition factory performance shocks
• Front and rear bump stop spacers to safely limit suspension travel
• Extended length sway bar end links with pressed-in heavy-duty OEM style rubber bushings for full articulation
• Maintains proper suspension geometry to ensure Electronic Stability Control (ESC) functions within factory parameters

Construction & Design

Skyjacker’s coil springs are crafted from high-quality steel with a progressive variable rate design that adapts to different suspension demands. The dual-stage coil spring technology allows the springs to flex during articulation while providing firm support under load, ensuring the coils remain seated and tires maintain contact with the terrain. The system includes precision-engineered brackets and spacers that integrate seamlessly with the Jeep’s factory suspension components, preserving durability and reliability in extreme off-road conditions.

Each component is designed to withstand the rigors of trail use while delivering a balanced ride quality on pavement. The extended sway bar end links feature heavy-duty rubber bushings pressed in for longevity and vibration reduction, contributing to a smoother driving experience.

Installation & Fitment

The Skyjacker Long Travel Coil System is a direct-fit upgrade for 2021–2024 Jeep Wrangler models equipped with the 6.4L 392 engine. Installation involves replacing the factory coil springs with the Skyjacker progressive coils and attaching the included shock relocation brackets, bump stop spacers, and extended sway bar end links. This system is designed to work with the Jeep’s factory performance shocks, allowing you to retain the original shock tuning while enhancing coil spring performance.

Professional installation is recommended to ensure proper suspension geometry and to maintain the functionality of the Electronic Stability Control system. No major modifications are required, making this an efficient upgrade for serious off-road enthusiasts.

What's Included

• Progressive variable rate long travel coil springs (front and side-specific rear)
• Front and rear shock extension relocation brackets
• Front and rear bump stop spacers
• Front and rear extended length sway bar end links with HD OEM style rubber bushings
• Installation hardware and instructions

Ideal For

This coil system is ideal for Jeep Wrangler 6.4L 392 owners who demand enhanced off-road articulation and ground clearance while maintaining a comfortable ride on pavement. It suits adventurers running larger tires and seeking to maximize their Rubicon 392’s suspension potential without compromising factory shock performance or vehicle stability systems.

Skyjacker is a long-running off-road suspension brand offering lift kits, shocks, steering stabilizers, and related components for trucks, SUVs, and Jeeps. Built to increase clearance for larger tires and improve trail capability, Skyjacker systems are popular for enthusiasts who want a tougher stance and more off-road confidence with proven application coverage.