Skip to product information
1 of 10

FOX Performance Series 2.0 IFP Front Shock FOX985-24-157 for 2017 Ford F-250 and F-350 Super Duty 4WD with 5.5-7-Inch Lift

FOX Performance Series 2.0 IFP Front Shock FOX985-24-157 for 2017 Ford F-250 and F-350 Super Duty 4WD with 5.5-7-Inch Lift

FOX -

Regular price $253.94 USD
Regular price $253.94 USD Sale price $253.94 USD
Sale Special Order this item by Clicking the Chat Button Below
Shipping calculated at checkout.
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
  • Redundant Sealing System/Long Lasting Performance
  • IFP Separates Oil From High-Pressure Nitrogen Gas
  • 100% Serviceable And Tunable For Longer Lifespan
  • Aluminum Body Dissipates Heat Faster Than Steel
  • Black Anodized CNC Machined Aluminum Components
  • Teflon-Lined Heat-Treated Spherical Bearings
  • Durable Powder Coated Seamless Alloy Body

The FOX Performance Series 2.0 IFP Front Shock, part number FOX985-24-157, is engineered for select 2017 Ford F-250 Super Duty and F-350 Super Duty 4WD applications with a 5.5-7-inch lift. This application-specific shock is tuned to improve suspension control, reduce vehicle sway, and provide a more connected driving experience both on the road and off it. Its extended travel design helps increase off-road capability in compatible lifted truck configurations.

Built with FOX race-proven damping technology, this smooth-body shock delivers consistent, fade-resistant performance under demanding conditions. The internal floating piston separates high-pressure nitrogen gas from shock oil to help prevent aeration and maintain reliable damping performance. An aluminum body dissipates heat faster than conventional steel, while the durable alloy construction and corrosion-resistant finish support long-term use in harsh environments.

The FOX985-24-157 is fully serviceable and tunable, allowing the shock to be rebuilt or adjusted for extended service life. Black anodized CNC-machined components, redundant sealing, heat-treated spherical bearings, and a powder-coated seamless alloy body provide dependable durability for both daily driving and off-road use. This front shock is designed as a vehicle-specific upgrade for lifted Super Duty trucks and is sold individually.

Key Product Specifications & Technical Data

  • Brand: FOX
  • Part Number: FOX985-24-157
  • Series: Performance Series 2.0 IFP
  • Position: Front
  • Shock Type: Smooth-body shock with internal floating piston
  • Vehicle Drive Type: 4WD
  • Lift Compatibility: 5.5-7-inch suspension lift
  • Serviceability: Fully serviceable and tunable

What's Included

  • One FOX Performance Series 2.0 IFP front shock

Fitment includes select 2017 Ford F-250 Super Duty and 2017 Ford F-350 Super Duty 4WD models equipped with a 5.5-7-inch lift. Verify vehicle configuration, suspension lift, and application-specific fitment before installation.

Features:

  • Application-specific valving: Tuned for compatible lifted Ford Super Duty applications to improve ride comfort, handling, and suspension control.
  • Internal floating piston: Separates shock oil from high-pressure nitrogen gas to help reduce aeration and maintain consistent damping.
  • Aluminum shock body: Dissipates heat faster than conventional steel for reliable, fade-resistant performance.
  • Serviceable and durable construction: Fully rebuildable and tunable design with redundant seals, CNC-machined components, spherical bearings, and a corrosion-resistant finish.

Fitments:
2017 Ford F-250 Super Duty King Ranch
2017 Ford F-250 Super Duty Lariat
2017 Ford F-250 Super Duty Platinum
2017 Ford F-250 Super Duty XL
2017 Ford F-250 Super Duty XLT
2017 Ford F-350 Super Duty King Ranch
2017 Ford F-350 Super Duty Lariat
2017 Ford F-350 Super Duty Platinum
2017 Ford F-350 Super Duty XL
2017 Ford F-350 Super Duty XLT
2018 Ford F-250 Super Duty King Ranch
2018 Ford F-250 Super Duty Lariat
2018 Ford F-250 Super Duty Limited
2018 Ford F-250 Super Duty Platinum
2018 Ford F-250 Super Duty XL
2018 Ford F-250 Super Duty XLT
2018 Ford F-350 Super Duty King Ranch
2018 Ford F-350 Super Duty Lariat
2018 Ford F-350 Super Duty Limited
2018 Ford F-350 Super Duty Platinum
2018 Ford F-350 Super Duty XL
2018 Ford F-350 Super Duty XLT
2019 Ford F-250 Super Duty King Ranch
2019 Ford F-250 Super Duty Lariat
2019 Ford F-250 Super Duty Limited
2019 Ford F-250 Super Duty Platinum
2019 Ford F-250 Super Duty XL
2019 Ford F-250 Super Duty XLT
2019 Ford F-350 Super Duty King Ranch
2019 Ford F-350 Super Duty Lariat
2019 Ford F-350 Super Duty Limited
2019 Ford F-350 Super Duty Platinum
2019 Ford F-350 Super Duty XL
2019 Ford F-350 Super Duty XLT
2020 Ford F-250 Super Duty King Ranch
2020 Ford F-250 Super Duty Lariat
2020 Ford F-250 Super Duty Limited
2020 Ford F-250 Super Duty Platinum
2020 Ford F-250 Super Duty XL
2020 Ford F-250 Super Duty XLT
2020 Ford F-350 Super Duty King Ranch
2020 Ford F-350 Super Duty Lariat
2020 Ford F-350 Super Duty Limited
2020 Ford F-350 Super Duty Platinum
2020 Ford F-350 Super Duty XL
2020 Ford F-350 Super Duty XLT
2021 Ford F-250 Super Duty King Ranch
2021 Ford F-250 Super Duty Lariat
2021 Ford F-250 Super Duty Limited
2021 Ford F-250 Super Duty Platinum
2021 Ford F-250 Super Duty XL
2021 Ford F-250 Super Duty XLT
2021 Ford F-350 Super Duty King Ranch
2021 Ford F-350 Super Duty Lariat
2021 Ford F-350 Super Duty Limited
2021 Ford F-350 Super Duty Platinum
2021 Ford F-350 Super Duty XL
2021 Ford F-350 Super Duty XLT
2022 Ford F-250 Super Duty King Ranch
2022 Ford F-250 Super Duty Lariat
2022 Ford F-250 Super Duty Limited
2022 Ford F-250 Super Duty Platinum
2022 Ford F-250 Super Duty XL
2022 Ford F-250 Super Duty XLT
2022 Ford F-350 Super Duty King Ranch
2022 Ford F-350 Super Duty Lariat
2022 Ford F-350 Super Duty Limited
2022 Ford F-350 Super Duty Platinum
2022 Ford F-350 Super Duty XL
2022 Ford F-350 Super Duty XLT
2023 Ford F-250 Super Duty King Ranch
2023 Ford F-250 Super Duty Lariat
2023 Ford F-250 Super Duty Limited
2023 Ford F-250 Super Duty Platinum
2023 Ford F-250 Super Duty XL
2023 Ford F-250 Super Duty XLT
2023 Ford F-350 Super Duty King Ranch
2023 Ford F-350 Super Duty Lariat
2023 Ford F-350 Super Duty Limited
2023 Ford F-350 Super Duty Platinum
2023 Ford F-350 Super Duty XL
2023 Ford F-350 Super Duty XLT
2024 Ford F-250 Super Duty King Ranch
2024 Ford F-250 Super Duty Lariat
2024 Ford F-250 Super Duty Limited
2024 Ford F-250 Super Duty Platinum
2024 Ford F-250 Super Duty XL
2024 Ford F-250 Super Duty XLT
2024 Ford F-350 Super Duty King Ranch
2024 Ford F-350 Super Duty Lariat
2024 Ford F-350 Super Duty Limited
2024 Ford F-350 Super Duty Platinum
2024 Ford F-350 Super Duty XL
2024 Ford F-350 Super Duty XLT
2025 Ford F-150 King Ranch
2025 Ford F-150 Lariat
2025 Ford F-150 Platinum
2025 Ford F-150 Police Responder
2025 Ford F-150 Raptor
2025 Ford F-150 SSV
2025 Ford F-150 STX
2025 Ford F-150 Tremor
2025 Ford F-150 XL
2025 Ford F-150 XLT
2025 Ford F-150 Lightning Flash
2025 Ford F-150 Lightning Lariat
2025 Ford F-150 Lightning Platinum
2025 Ford F-150 Lightning Pro
2025 Ford F-150 Lightning Pro SSV
2025 Ford F-150 Lightning XLT
2025 Ford F-250 Super Duty King Ranch
2025 Ford F-250 Super Duty Lariat
2025 Ford F-250 Super Duty Platinum
2025 Ford F-250 Super Duty XL
2025 Ford F-250 Super Duty XLT
2025 Ford F-350 Super Duty King Ranch
2025 Ford F-350 Super Duty Lariat
2025 Ford F-350 Super Duty Platinum
2025 Ford F-350 Super Duty XL
2025 Ford F-350 Super Duty XLT
2025 Ford Maverick Lobo
2025 Ford Maverick Tremor
2025 Ford Ranger Lariat
2025 Ford Ranger XL
2025 Ford Ranger XLT
2026 Ford F-250 Super Duty King Ranch
2026 Ford F-250 Super Duty Lariat
2026 Ford F-250 Super Duty Platinum
2026 Ford F-250 Super Duty XL
2026 Ford F-250 Super Duty XLT
2026 Ford F-350 Super Duty King Ranch
2026 Ford F-350 Super Duty Lariat
2026 Ford F-350 Super Duty Platinum
2026 Ford F-350 Super Duty XL
2026 Ford F-350 Super Duty XLT
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

Materials

Shipping & Returns

Dimensions

Care Instructions

View full details

    Contact form