FOX Performance Elite Series Shocks

2014–2025 Ram 3500 6.7L Diesel / 6.4L 392 / 2014–2018 Ram 3500 5.7L Hemi

Part #: 883-26-101

Overview

The FOX 2.5 Performance Elite Reservoir Adjustable Shock is engineered to elevate the suspension performance of your Ram 3500, whether you drive a 6.7L Diesel, 6.4L 392, or 5.7L Hemi engine model. Developed from FOX’s extensive off-road racing experience, this shock absorber delivers superior damping control and enhanced ride quality for both on- and off-road conditions. Designed for serious truck enthusiasts and professionals who demand precision handling and durability, this rear shock is a direct bolt-on upgrade that transforms your truck’s suspension response.

With its adjustable reservoir design, the FOX Performance Elite shock allows you to fine-tune your ride to match your specific driving style and terrain, providing a balance between comfort and performance. This shock is ideal for Ram 3500 owners looking to improve load handling, reduce body roll, and maintain composure over rough terrain or heavy payloads.

Key Features

Built with race-proven technology and advanced engineering, the FOX 2.5 Performance Elite Reservoir Adjustable Shock offers a range of features designed to optimize your truck’s suspension system:

• Adjustable external reservoir for increased oil and nitrogen volume, improving heat dissipation and consistent damping
• High-performance 2.5-inch shock body diameter for enhanced strength and durability
• Precision valving developed from FOX’s off-road racing heritage for superior ride quality and control
• Rebuildable design allowing for maintenance and tuning over the shock’s lifespan
• Heavy-duty construction suitable for demanding applications and rough terrain
• Direct bolt-on fitment for 2014–2025 Ram 3500 models with 6.7L Diesel, 6.4L 392, and 2014–2018 5.7L Hemi engines
• Corrosion-resistant finish to withstand harsh environments and extend service life
• Improved damping performance reduces bottoming and harshness on rough roads

Construction & Design

The FOX Performance Elite shock is crafted from premium materials to ensure long-lasting performance and reliability. The shock body is constructed from high-strength aluminum alloy, providing an excellent strength-to-weight ratio while resisting corrosion. The external reservoir increases fluid capacity, which helps maintain consistent damping by reducing heat buildup during extended use. Internally, the shock features precision-machined valving components developed through FOX’s extensive racing experience, delivering smooth and responsive suspension action.

Sealed with high-quality seals and equipped with a durable piston, the shock is designed to withstand the rigors of heavy-duty use, including towing, hauling, and off-road driving. The adjustable reservoir allows for easy tuning of compression damping, enabling drivers to customize their ride characteristics for varying load and terrain conditions.

Installation & Fitment

This FOX 2.5 Performance Elite Reservoir Adjustable Shock is designed for direct replacement on the rear suspension of Ram 3500 trucks from 2014 through 2025 with 6.7L Diesel or 6.4L 392 engines, as well as 2014 to 2018 models equipped with the 5.7L Hemi. Installation requires no modifications and can be completed using standard hand tools. The bolt-on design ensures a straightforward upgrade process, making it accessible for professional installers and experienced enthusiasts alike.

For optimal performance, it is recommended to replace shocks in pairs and to follow manufacturer torque specifications during installation. Adjusting the external reservoir is simple and allows you to dial in the suspension settings to your preference after installation.

What's Included

• One FOX 2.5 Performance Elite Reservoir Adjustable Shock (Rear)
• Pre-installed mounting hardware
• Adjustment instructions and user guide

Ideal For

This shock is perfect for Ram 3500 owners who demand enhanced suspension performance for heavy-duty applications, including towing, hauling, and off-road driving. It suits drivers seeking improved ride comfort, better handling, and increased durability over stock shocks. Whether you use your truck for work, recreation, or daily driving, the FOX Performance Elite shock provides a versatile and reliable upgrade to your rear suspension system.

FOX (RideFOX) is a top-tier suspension brand producing high-performance shocks and components for trucks, UTVs, and motorsports applications. Known for race-proven engineering and tunability, FOX products are built to handle harsh impacts, high speeds, and demanding off-road conditions while keeping the vehicle controlled and composed.