Progressive STR 46 Series 2.0 Smooth Body Rear Shocks

2018–2026 Jeep Gladiator

46-2009

Overview:

The Progressive STR 46 Series 2.0 Smooth Body Rear Shocks are engineered to deliver a superior suspension upgrade for Jeep Gladiator owners seeking enhanced ride quality and improved handling. Featuring Progressive’s patented FST (Frequency Sensitive Technology) design, these shocks dynamically adjust damping in real time to provide a smoother, more controlled ride across a variety of terrains and driving conditions. Designed as a direct replacement for the factory rear shocks, the STR 46 Series offers a clean, no-nonsense appearance while significantly improving comfort and performance.

Ideal for Gladiator drivers who want to elevate their vehicle’s suspension without complicated setup or tuning, these shocks excel in daily driving, off-road adventures, and everything in between. The compact smooth body design fits seamlessly under the truck bed, maintaining factory clearance and aesthetics.

Key Features:

Built with advanced technology and precision engineering, the STR 46 Series 2.0 shocks provide the following benefits:

• Patented Frequency Sensitive Technology (FST) piston dynamically adjusts damping curves in real time for optimal ride quality
• Compact smooth body design for improved clearance and clean installation
• Significant improvement over stock shocks in ride comfort and handling stability
• Durable construction designed to withstand harsh off-road conditions
• Rear shock pair designed specifically for Jeep Gladiator models from 2018 through 2026
• Compatible with 3.5" to 4.0" rear suspension lifts (excludes Mojave models)
• Direct bolt-on replacement with no modifications required
• Improved damping response reduces harshness and improves traction on uneven terrain
• Maintains factory ride height and suspension geometry

Construction & Design:

The STR 46 Series shocks feature a robust smooth body design crafted from high-quality materials to ensure long-lasting durability and corrosion resistance. The internal FST piston is engineered to react instantly to changes in terrain and driving style, adjusting the damping force without manual intervention. This innovative design eliminates the need for external adjustments or complex tuning, making it ideal for drivers who want a hassle-free upgrade.

Precision machining and rigorous quality control guarantee consistent performance and reliability. The smooth body construction not only enhances durability but also prevents debris buildup and damage during off-road use, extending the service life of the shocks.

Installation & Fitment:

Installation of the Progressive STR 46 Series 2.0 Rear Shocks is straightforward and designed to be a direct replacement for the factory rear shocks on Jeep Gladiator models from 2018 to 2026. No special tools or modifications are required, allowing for a quick and hassle-free upgrade. These shocks fit Gladiator models including the 80th Anniversary, Altitude, Freedom, High Altitude, Launch Edition, Mojave, Mojave X, Overland, Rubicon, Rubicon X, Sport, Sport S, Texas Trail, Willys, and Willys Sport trims.

Note that these shocks are compatible with rear suspension lifts ranging from 3.5" to 4.0" but exclude the Mojave model for this specific size range.

What's Included:

• Pair of Progressive STR 46 Series 2.0 Smooth Body Rear Shocks
• All necessary mounting hardware
• Installation instructions

Ideal For:

This rear shock upgrade is perfect for Jeep Gladiator owners who want to improve ride comfort, handling, and off-road capability without the complexity of adjustable shocks. It suits daily drivers, weekend adventurers, and off-road enthusiasts who demand a smoother ride and enhanced suspension performance from their vehicle’s rear end. The STR 46 Series is especially beneficial for those running moderate rear lifts between 3.5" and 4.0" and who want a reliable, maintenance-free suspension solution.

Progressive Suspension is a long-running performance suspension brand best known in the motorcycle world for shocks, springs, and suspension upgrades built to improve ride control and handling. With product coverage across Harley, metric bikes, and more, Progressive is a common upgrade when riders want a more planted feel, better damping, and confidence under hard braking and cornering.