FOX 983-02-051 2.0 Performance Series IFP Coilover Shock for Toyota FJ Cruiser and 4Runner

FOX Performance Series shocks contain the latest in shock technology to transform the performance of your Truck or SUV. They use our race-proven damping control to provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions. Application specific valving to maximize performance. Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded shock valving for a connected ride with less vehicle sway. Tuned specifically for your vehicle’s application._x000D_ _x000D_ Consistent and fade-resistant performance due to high-quality materials: aluminum bodies, race-developed main piston, and a true internal floating piston (IFP) to separate gas and oil._x000D_ _x000D_ Built-to-last, torture-tested and race-proven to give a lifetime of great rides. FOX products are built from aluminum, dissipating heat four times better than conventional materials. All FOX shocks are fully serviceable and resistant to corrosion and harsh environments.

• Performance Tuned For Vehicle Specific Application
• IFP Separates Oil From High-Pressure Nitrogen Gas
• Redundant Sealing System/Long Lasting Performance
• 100% Serviceable And Tunable For Longer Lifespan
• Aluminum Body Dissipates Heat Faster Than Steel
• Black Anodized CNC Machined Aluminum Components
• External Reservoir System Dissipates Heat Fast
• Teflon-Lined Heat-Treated Spherical Bearings
• Includes Aluminum Reservoir Clamp

The FOX 983-02-051 2.0 Performance Series IFP coilover shock is designed to improve suspension control, ride comfort, and off-road capability on select Toyota FJ Cruiser and 4Runner applications. Its vehicle-specific valving delivers predictable handling on rough terrain while helping reduce body sway and maintain a connected feel on the road. The shock is suited for applications with approximately 0–2 inches of lift.

Built with a corrosion-resistant aluminum body, the FOX Performance Series shock dissipates heat faster than conventional steel construction for consistent, fade-resistant performance. A race-developed main piston and internal floating piston (IFP) keep the high-pressure nitrogen separated from the shock oil, supporting precise damping and reliable performance during demanding use. The external reservoir system further improves heat management, while black anodized, CNC-machined aluminum components provide durable construction.

The FOX 983-02-051 is fully serviceable and tunable to support a longer product lifespan. It includes a reservoir clamp and uses Teflon-lined, heat-treated spherical bearings for smooth suspension movement and lasting durability. This shock is listed for select 2010–2013 Toyota FJ Cruiser and 2011–2013 Toyota 4Runner applications; verify the exact vehicle configuration and suspension setup before ordering.

Key Product Specifications and Technical Data

• Brand: FOX
• Part Number: 983-02-051
• Series: 2.0 Performance Series
• Shock Type: IFP coilover shock
• Lift Compatibility: Designed for approximately 0–2 inches of lift
• Damping System: Vehicle-specific valving with internal floating piston
• Construction: Aluminum body with black anodized CNC-machined components
• Serviceability: Fully serviceable and tunable

What's Included

• One FOX 983-02-051 Performance Series IFP coilover shock
• Aluminum reservoir clamp

Features:

• Vehicle-Specific Valving: Tuned for select Toyota FJ Cruiser and 4Runner applications to improve on-road comfort and off-road handling.
• Internal Floating Piston: Separates high-pressure nitrogen gas from shock oil for consistent damping performance.
• Aluminum Construction: Dissipates heat efficiently to help resist performance fade during demanding driving.
• Serviceable and Tunable Design: Supports maintenance, performance adjustments, and a longer usable lifespan.

Fitments:
2010 Toyota 4Runner Limited
2010 Toyota 4Runner SR5
2010 Toyota 4Runner Trail
2010 Toyota FJ Cruiser Base
2011 Toyota 4Runner Limited
2011 Toyota 4Runner SR5
2011 Toyota 4Runner Trail
2011 Toyota FJ Cruiser Base
2012 Toyota 4Runner Limited
2012 Toyota 4Runner SR5
2012 Toyota 4Runner Trail
2012 Toyota FJ Cruiser Base
2013 Toyota 4Runner Limited
2013 Toyota 4Runner SR5
2013 Toyota 4Runner Trail
2013 Toyota FJ Cruiser Base
2014 Toyota 4Runner Limited
2014 Toyota 4Runner SR5
2014 Toyota 4Runner Trail
2014 Toyota FJ Cruiser Base
2015 Toyota 4Runner Limited
2015 Toyota 4Runner SR5
2015 Toyota 4Runner Trail
2015 Toyota 4Runner TRD Pro
2016 Toyota 4Runner Limited
2016 Toyota 4Runner SR5
2016 Toyota 4Runner Trail
2016 Toyota 4Runner TRD Pro
2017 Toyota 4Runner Limited
2017 Toyota 4Runner SR5
2017 Toyota 4Runner TRD Off-Road
2017 Toyota 4Runner TRD Pro
2018 Toyota 4Runner Limited
2018 Toyota 4Runner SR5
2018 Toyota 4Runner SR5 Premium
2018 Toyota 4Runner TRD Off-Road
2018 Toyota 4Runner TRD Off-Road Premium
2018 Toyota 4Runner TRD Pro
2019 Toyota 4Runner Limited
2019 Toyota 4Runner SR5
2019 Toyota 4Runner SR5 Premium
2019 Toyota 4Runner TRD Off-Road
2019 Toyota 4Runner TRD Off-Road Premium
2019 Toyota 4Runner TRD Pro
2020 Toyota 4Runner Limited
2020 Toyota 4Runner Nightshade
2020 Toyota 4Runner SR5
2020 Toyota 4Runner SR5 Premium
2020 Toyota 4Runner TRD Off-Road
2020 Toyota 4Runner TRD Off-Road Premium
2020 Toyota 4Runner TRD Pro
2020 Toyota 4Runner Venture
2021 Toyota 4Runner Limited
2021 Toyota 4Runner Nightshade
2021 Toyota 4Runner SR5
2021 Toyota 4Runner SR5 Premium
2021 Toyota 4Runner Trail
2021 Toyota 4Runner TRD Off-Road
2021 Toyota 4Runner TRD Off-Road Premium
2021 Toyota 4Runner TRD Pro
2021 Toyota 4Runner Venture
2022 Toyota 4Runner Limited
2022 Toyota 4Runner SR5
2022 Toyota 4Runner SR5 Premium
2022 Toyota 4Runner Trail
2022 Toyota 4Runner TRD Off-Road
2022 Toyota 4Runner TRD Off-Road Premium
2022 Toyota 4Runner TRD Pro
2022 Toyota 4Runner TRD Sport
2023 Toyota 4Runner 40th Anniversary Edition
2023 Toyota 4Runner Limited
2023 Toyota 4Runner SR5
2023 Toyota 4Runner SR5 Premium
2023 Toyota 4Runner TRD Off-Road
2023 Toyota 4Runner TRD Off-Road Premium
2023 Toyota 4Runner TRD Pro
2023 Toyota 4Runner TRD Sport
2024 Toyota 4Runner Limited
2024 Toyota 4Runner SR5
2024 Toyota 4Runner SR5 Premium
2024 Toyota 4Runner TRD Off-Road
2024 Toyota 4Runner TRD Off-Road Premium
2024 Toyota 4Runner TRD Pro
2024 Toyota 4Runner TRD Sport

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1