JKS Fox Performance Series 2.5 IFP Shock Kit

2018–2026 Jeep Wrangler JL 2.0L Turbo / 3.6L V6 / 3.0L EcoDiesel / 6.4L 392

Part #: FOX88624155

Overview

The JKS Fox Performance Series 2.5 IFP Shock Kit is engineered to elevate your Jeep Wrangler JL’s off-road capabilities while maintaining exceptional on-road comfort. Designed specifically for 2-3.5 inch lift applications, these shocks allow you to run larger tires with confidence, improving traction and control across varied terrain. Whether you’re crawling over rocks or powering through fast trail sections, the advanced valving and internal floating piston technology deliver a connected, stable ride with reduced vehicle sway.

Built for Jeep Wrangler JL models from 2018 through 2026, including 2.0L Turbo, 3.6L V6, 3.0L EcoDiesel, and 6.4L 392 engines, this shock kit is ideal for enthusiasts seeking a durable, high-performance upgrade that balances rugged off-road performance with daily driving comfort.

Key Features

Every component of the JKS Fox 2.5 IFP Shock Kit is designed to optimize ride quality and durability for lifted Jeep Wranglers. Key features include:

• True Internal Floating Piston (IFP) design separates gas and oil for consistent, fade-resistant damping performance.
• 2.5-inch aluminum shock bodies increase oil capacity and heat dissipation, reducing fade during extended off-road use.
• Race-developed main piston with 50% more surface area for improved damping force and bottom-out control at high speeds.
• Larger diameter valve assembly with wider dynamic range for a supple, controlled feel transitioning from slow crawling to fast trail driving.
• Durable aluminum construction dissipates heat four times better than conventional materials, enhancing shock longevity.
• Integrated rear roost guard protects the shock shaft from stones, mud, and debris encountered on rugged trails.
• Specifically tuned for larger plus-size wheel and tire packages to maintain optimum ride and handling characteristics.
• Fully serviceable design ensures long-term maintenance and performance retention.

Construction & Design

The JKS Fox 2.5 IFP shocks feature precision-engineered aluminum bodies that provide superior strength while minimizing weight. The internal floating piston (IFP) technology is a race-proven design that separates the nitrogen gas from the hydraulic oil, preventing cavitation and ensuring consistent damping under extreme conditions. The larger 2.5-inch piston moves more fluid, increasing damping force and improving control over rough terrain.

High-quality materials and meticulous manufacturing processes result in shocks that resist corrosion and withstand harsh off-road environments. The integrated roost guard adds an extra layer of protection, preserving shock integrity and performance over time.

Installation & Fitment

This shock kit is designed as a direct fit for Jeep Wrangler JL models from 2018 to 2026 equipped with 2.0L Turbo, 3.6L V6, 3.0L EcoDiesel, or 6.4L 392 engines. Installation requires a 2 to 3.5 inch suspension lift and is compatible with larger wheel and tire setups. The shocks install using factory mounting points, making the upgrade straightforward for experienced installers and professional shops alike. No major modifications are necessary, preserving vehicle reliability and factory geometry.

What's Included

• Two (2) front JKS Fox Performance Series 2.5 IFP shocks
• Two (2) rear JKS Fox Performance Series 2.5 IFP shocks with integrated roost guards
• Installation hardware and instructions

Ideal For

This shock kit is perfect for Jeep Wrangler JL owners who want to enhance their vehicle’s off-road performance without sacrificing on-road comfort. It suits enthusiasts running lifted suspensions with larger tires who demand reliable damping, reduced body roll, and improved control on technical trails and highway driving alike. Whether you’re a weekend trail rider or a serious off-road competitor, these shocks provide the durability and performance needed for challenging terrain.

JKS Manufacturing builds Jeep and off-road suspension parts—lift systems, control arms, track bars, disconnects, and supporting hardware—engineered for articulation and durability. It’s a popular choice for Wrangler and Gladiator owners looking to improve clearance, ride quality, and capability for real trail use.