Fabtech 2.5 Coilover Resi and Rear DLSS Resi Suspension System

2018 Jeep Wrangler Unlimited Rubicon, Sahara, Sport

K4228DL

Overview:

The Fabtech 2.5 Coilover Resi and Rear DLSS Resi suspension system is engineered specifically for the 2018 Jeep Wrangler Unlimited models, including Rubicon, Sahara, and Sport trims. Designed to enhance off-road capability and on-road comfort, this suspension kit offers a 5-inch lift that improves ground clearance and articulation. Ideal for Jeep enthusiasts seeking a durable, high-performance upgrade, this system balances ruggedness with refined ride quality for both trail and daily driving.

Featuring Fabtech’s advanced coilover technology combined with their patented Dual Linear Spring System (DLSS), this suspension setup provides superior damping control and consistent performance over varied terrain. It is a reliable choice for those looking to maximize their Jeep’s suspension travel and handling without compromising factory-like ride characteristics.

Key Features:

This suspension system incorporates several innovative features designed to optimize your Jeep Wrangler’s performance and durability:

• 5-inch suspension lift for improved off-road clearance and approach angles
• 2.5-inch coilover shocks with integrated reservoirs for enhanced heat dissipation and consistent damping
• Rear DLSS (Dual Linear Spring System) coil springs for progressive spring rates and improved ride comfort
• Heavy-duty construction designed to withstand rigorous off-road conditions
• Precision-engineered components for direct bolt-on installation with no major modifications
• Improved suspension articulation for better traction on uneven terrain
• Corrosion-resistant finishes to extend component life in harsh environments
• Compatible with 4WD drivetrain systems on Jeep Wrangler Unlimited 2018 models

Construction & Design:

Fabtech’s suspension components are crafted from high-strength steel and premium materials to ensure durability and longevity. The coilover shocks feature a robust 2.5-inch diameter design with remote reservoirs that help maintain consistent damping performance by reducing heat buildup during extended off-road use. The rear DLSS coil springs utilize a dual-rate design that provides a smooth ride on pavement while progressively stiffening under heavy loads or aggressive terrain.

Every part is precision-machined and powder-coated to resist corrosion and wear, ensuring the suspension system maintains its performance and appearance over time. The engineering focus on maintaining factory-like geometry helps preserve handling characteristics while delivering enhanced off-road capability.

Installation & Fitment:

This Fabtech suspension kit is designed for direct fitment on 2018 Jeep Wrangler Unlimited Rubicon, Sahara, and Sport models equipped with 4WD. Installation requires standard mechanical skills and common tools, with no major modifications to the vehicle’s frame or drivetrain. The kit includes all necessary hardware and detailed instructions to facilitate a straightforward installation process.

While professional installation is recommended for optimal results, experienced enthusiasts can complete the upgrade in a home garage. The system maintains compatibility with factory components, ensuring reliable performance and ease of maintenance.

What's Included:

• Front 2.5-inch coilover shocks with remote reservoirs
• Rear DLSS coil springs
• All mounting hardware and brackets
• Detailed installation instructions

Ideal For:

This suspension system is perfect for Jeep Wrangler owners who demand enhanced off-road performance without sacrificing daily drivability. It suits enthusiasts who frequently tackle trails, rock crawling, or uneven terrain and want a reliable, durable lift kit that improves ground clearance and suspension articulation. Additionally, it appeals to those seeking a balanced suspension upgrade that maintains comfort and handling on paved roads.

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.