Fabtech Trail Shock Suspension System

2021 Jeep Wrangler Unlimited High Altitude 4xe & Rubicon 4xe

K4203DL

Overview:

The Fabtech 3-inch Trail Shock Suspension System is engineered specifically for the 2021 Jeep Wrangler Unlimited High Altitude 4xe and Rubicon 4xe models. Designed to enhance off-road capability, this complete short arm suspension kit delivers improved ride quality and suspension travel for a variety of demanding terrains, including rock crawling, aggressive trail riding, and overland expeditions. With a focus on durability and comfort, this system offers a balanced combination of performance and daily drivability for Jeep enthusiasts who demand more from their vehicle’s suspension.

Fabtech’s Trail Lift Kit is tuned with dual rate coil springs and precision shock valving to provide a compliant, smooth ride while maintaining the ability to handle heavy payloads and absorb large impacts at higher speeds. This kit is ideal for Jeep owners looking to upgrade their suspension for serious off-road use without sacrificing on-road comfort.

Key Features:

This Trail Shock Suspension System incorporates advanced engineering and quality components to optimize your Jeep Wrangler’s off-road performance:

• Complete short arm suspension design utilizing factory lower control arm mounts for straightforward installation
• Fabtech lower link arms constructed from thick wall steel tubing, guaranteed never to bend
• Large polyurethane bushings paired with Fabtech 5 Ton Joint® for enhanced durability and quiet operation
• Corner-specific dual rate coil springs designed to maintain vehicle level and increase suspension travel
• Two-stage coil springs: soft initial rate for comfort and extended travel, second stage for payload support and impact absorption
• Included Draglink Flip kit and heavy-duty Track Bar bracket to correct steering geometry and allow full articulation without binding
• Heavy-duty rear Track Bar bracket to center the axle and maintain factory roll center with increased ride height
• Front and rear bump stop extensions to prevent suspension over-cycling
• Compatible with tire sizes up to 37x12.5R20 with minor trimming or cutting depending on fender type

Construction & Design:

Fabtech’s Trail Shock Suspension System is built with rugged, high-quality materials engineered for longevity and performance in extreme off-road conditions. The lower link arms feature thick wall steel tubing, providing exceptional strength and resistance to bending or damage. Polyurethane bushings reduce noise and wear, while the innovative Fabtech 5 Ton Joint® ensures long-lasting articulation and durability.

The dual rate coil springs are specifically tuned for the Jeep Wrangler 4xe platform, ensuring balanced ride height and suspension travel. The system’s design maintains factory mounting points, simplifying installation and preserving the vehicle’s structural integrity.

Installation & Fitment:

This suspension kit is designed for direct fitment on 2021 Jeep Wrangler Unlimited High Altitude 4xe and Rubicon 4xe 4-door models. Installation leverages factory lower control arm mounts, making it accessible for experienced DIYers or professional installers. Minor trimming or cutting of fenders may be required depending on tire and wheel size, especially when running larger 37-inch tires with high clearance fenders.

To maintain proper steering geometry and suspension articulation, the kit includes a Draglink Flip kit and heavy-duty Track Bar brackets. For extreme off-road use, upgrading to heavy-duty driveshafts is recommended to handle increased suspension travel and articulation.

What's Included:

• Fabtech lower link arms with polyurethane bushings and Fabtech 5 Ton Joints®
• Dual rate, corner-specific coil springs
• Draglink Flip kit for steering geometry correction
• Heavy-duty front and rear Track Bar brackets
• Front and rear bump stop extensions
• All necessary hardware for installation

Ideal For:

This Fabtech Trail Shock Suspension System is perfect for Jeep Wrangler 4xe owners who demand a suspension capable of handling aggressive trail riding, rock crawling, and overland adventures while maintaining daily driving comfort. It suits enthusiasts looking to run larger tires up to 37 inches and who require a durable, high-performance suspension upgrade that preserves factory mounting points and steering geometry.

Fabtech is an off-road suspension leader producing lift kits, shocks, and related components to increase ride height, clear larger tires, and improve capability. Their systems are engineered for specific trucks and SUVs, blending on-road drivability with the added travel and strength enthusiasts want for trails, desert runs, and overland builds.