Fabtech 3in Trail 4WD 4-Door (JL) Suspension Kit: Jeep Wrangler 2018-2021 w/ Stealth

Fabtech Trail 4WD 4-Door Suspension Kit

2018–2021 Jeep Wrangler 4-Door 6-Cylinder Models

K4117M

Overview:

The Fabtech 3-inch Trail Suspension Kit is engineered to elevate the off-road capabilities of your 2018 to 2021 Jeep Wrangler 4-door models equipped with 6-cylinder engines. Designed for serious off-highway enthusiasts, this complete short arm suspension system enhances performance across a wide range of terrains—from technical rock crawling and aggressive trail riding to extended overland expeditions. On-road, the kit delivers a compliant, comfortable ride thanks to its dual rate coil springs and precision shock valving, making it an ideal upgrade for drivers seeking both rugged capability and daily drivability.

Fabtech’s Trail Suspension Kit maintains factory control arm mounting points for straightforward installation, while its heavy-duty components ensure durability and longevity under demanding conditions. Whether you’re tackling rocky trails or cruising highways, this suspension system provides improved articulation, ride quality, and vehicle stability.

Key Features:

This suspension kit incorporates advanced engineering and robust materials to optimize your Jeep Wrangler’s performance and reliability:

• Complete short arm suspension system utilizing factory control arm mounts for easy installation
• Heavy-duty link arms constructed from 1.75" outer diameter, 0.250" thick wall steel tubing, guaranteed never to bend
• Large polyurethane bushings paired with Fabtech’s patented 5 Ton Joint™ for enhanced durability and quiet operation
• Corner-specific long travel dual rate coil springs designed to maintain side-to-side vehicle level and increase suspension travel
• Dual-stage coil springs providing a soft initial ride with extended travel capability and a firmer second stage for payload support and high-speed impact absorption
• Draglink Flip System and heavy-duty track bar bracket to correct steering geometry and prevent draglink binding during full articulation
• Maintains factory draglink to pitman arm angle, reducing side load on the steering box and extending its service life
• Heavy-duty rear track bar bracket with side support to maintain factory roll center and axle centering
• Front and rear bump stop extensions to protect suspension components from over-travel

Construction & Design:

Fabtech’s Trail Suspension Kit is built with premium materials and precision engineering to withstand the rigors of off-road use. The heavy-duty link arms feature thick-walled steel tubing that resists bending and deformation, ensuring long-term reliability. Polyurethane bushings reduce noise and vibration while providing excellent articulation. The coil springs are specifically tuned for the Jeep JL chassis, offering a balanced ride that adapts to both light and heavy loads. The inclusion of the Draglink Flip System and reinforced track bar brackets addresses the critical steering geometry changes caused by the lift, preserving factory steering angles and enhancing durability.

Installation & Fitment:

This suspension kit is designed for straightforward installation using the Jeep Wrangler’s factory control arm mounts, minimizing the need for complex modifications. Minor trimming or cutting may be required depending on tire and wheel size, especially when using high clearance fenders or larger tires up to 37 inches. The kit fits 2018 to 2021 Jeep Wrangler Unlimited Rubicon, Sahara, Sport, and Sport S 4-door models equipped with 6-cylinder engines. For heavy off-road use, Fabtech recommends upgrading to compatible driveshafts (front FTS94057 and rear FTS94065) to ensure drivetrain reliability.

What's Included:

• 3-inch short arm suspension components
• Heavy-duty link arms with polyurethane bushings and 5 Ton Joints™
• Corner-specific dual rate coil springs
• Draglink Flip System
• Heavy-duty front and rear track bar brackets
• Front and rear bump stop extensions
• Installation hardware and instructions

Ideal For:

This Fabtech Trail Suspension Kit is ideal for Jeep Wrangler owners who demand enhanced off-road performance without sacrificing on-road comfort. It suits enthusiasts engaged in rock crawling, aggressive trail riding, and overland expeditions who require increased suspension travel, improved articulation, and durable components. Additionally, it benefits daily drivers looking to upgrade their Jeep’s suspension for a smoother, more controlled ride while accommodating larger tires and wheels.