FOX Performance Elite Series 2.5 Reservoir Front Shock

2007–2018 Jeep Wrangler JK 2.5-4" Lift

Part #: 883-26-091

Overview

The FOX Performance Elite Series 2.5 Reservoir Front Shock is engineered specifically for Jeep Wrangler JK models from 2007 to 2018 equipped with 2.5 to 4-inch lifts. Developed from FOX’s extensive off-road racing experience, these shocks deliver superior damping performance and adjustability for serious off-road enthusiasts. Designed to handle the rigorous demands of challenging terrain, the Performance Elite Series offers enhanced control, improved ride quality, and increased durability to keep your Jeep performing at its best on and off the trail.

Whether you’re tackling rocky trails, desert runs, or rugged backcountry roads, these shocks provide the precision and capacity needed to maintain traction and stability. The external reservoir design increases oil volume and cooling efficiency, reducing fade during extended use and ensuring consistent performance under extreme conditions.

Key Features

Built with race-proven technology and advanced engineering, the FOX Performance Elite Series shocks incorporate a range of features that elevate your Jeep’s suspension capabilities:

• High-pressure nitrogen-charged internal floating piston (IFP) for consistent damping and reduced cavitation
• External reservoir design increases oil capacity and improves heat dissipation for fade-free performance
• Adjustable compression and rebound damping for fine-tuning ride quality and handling characteristics
• Durable anodized aluminum body and reservoir for corrosion resistance and lightweight strength
• Sealed cartridge design with high-quality seals to prevent contamination and extend service life
• Designed specifically for Jeep Wrangler JK models with 2.5 to 4-inch suspension lifts
• Precision valving calibrated for off-road performance and on-road comfort
• Easy-to-use adjustment knobs accessible without disassembly

Construction & Design

The FOX Performance Elite Series shocks are crafted from premium materials to withstand the harshest off-road environments. The anodized aluminum shock body and reservoir provide a lightweight yet robust structure that resists corrosion and damage from debris. The internal floating piston separates the oil and nitrogen gas, maintaining consistent damping pressure and preventing foaming or cavitation during intense use.

The external reservoir increases oil volume, which helps dissipate heat more effectively, reducing shock fade during prolonged off-road runs. The shock’s valving is engineered to deliver a balanced ride, offering both comfort on pavement and control on rough terrain. High-quality seals and precision machining ensure long-lasting performance and reliability.

Installation & Fitment

Installation of the FOX Performance Elite Series 2.5 Reservoir Front Shock is straightforward for Jeep Wrangler JK owners with 2.5 to 4-inch lifts. These shocks are designed as direct replacements for the front suspension and require no major modifications. Standard hand tools and basic mechanical knowledge are sufficient for installation, making it accessible for experienced DIYers and professional installers alike.

Proper installation ensures optimal shock performance and vehicle handling. It is recommended to verify lift height compatibility and inspect mounting hardware during installation to maintain safety and durability.

What's Included

• One FOX Performance Elite Series 2.5 Reservoir Front Shock (driver or passenger side)
• Mounting hardware as required for direct fitment
• Adjustment tool for compression and rebound settings
• Installation instructions

Ideal For

This shock is ideal for Jeep Wrangler JK owners who have installed a 2.5 to 4-inch lift and demand superior suspension performance for off-road adventures. It suits enthusiasts who require enhanced damping control, durability, and heat management for aggressive trail riding, rock crawling, and desert racing. Additionally, it benefits drivers seeking improved on-road comfort without sacrificing off-road capability.

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.