Fox 2.5 Performance Series IFP Shock — Fits 2017+ Ford F250/F350 Super Duty 4-6" Lift

SKU: FOX987-24-021
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Sale price$346.95
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About FOX

FOX engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FOX lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Fox 2.5 Performance Series Smooth Body IFP Rear Shock

Elevate your Ford Super Duty's off-road performance and on-road comfort with the Fox 2.5 Performance Series Smooth Body IFP Rear Shock. Engineered for trucks with a 4-6 inch lift, this shock absorber is designed to provide consistent, fade-resistant damping and improved handling. The internal floating piston (IFP) design effectively separates the oil and high-pressure nitrogen gas, preventing cavitation and ensuring optimal performance even under extreme conditions.

Key Features:

  • Application Specific Tuning: Valved precisely for the 2017 and newer Ford F-250/F-350 Super Duty models with 4-6 inch lifts, ensuring a balanced and connected ride.
  • Race-Developed Performance: Utilizes a race-developed main piston and high-flow dynamics for superior damping control.
  • Internal Floating Piston (IFP): Prevents oil and gas from mixing, reducing aeration and fade for consistent performance.
  • Durable Aluminum Body: The 2.5-inch diameter aluminum body dissipates heat more effectively than steel, maintaining performance during extended use.
  • Corrosion Resistant: Built to withstand harsh environments and provide a lifetime of reliable service.
  • Serviceable Design: Fully rebuildable and re-valvable to maintain peak performance over time.

Vehicle Fitment:

This rear shock absorber is designed for:

  • 2017-2024 Ford F-250 Super Duty (4-6" Lift)
  • 2017-2024 Ford F-350 Super Duty (4-6" Lift)
  • Various trim levels including King Ranch, Lariat, Limited, Platinum, XL, and XLT.

Experience the legendary Fox Shox performance and transform your Super Duty's suspension. Upgrade your ride with Fox shocks from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2024 Ford F-250 Super Duty King Ranch
2017-2024 Ford F-250 Super Duty Lariat
2017-2024 Ford F-250 Super Duty Platinum
2017-2024 Ford F-250 Super Duty XL
2017-2024 Ford F-250 Super Duty XLT
2018-2024 Ford F-250 Super Duty Limited
2017-2024 Ford F-350 Super Duty Lariat
2017-2024 Ford F-350 Super Duty Platinum
2017-2024 Ford F-350 Super Duty XL
2017-2024 Ford F-350 Super Duty XLT
2018-2024 Ford F-350 Super Duty Limited

Product Details

Product Description
Part Numbers
Sizing & Fit

About FOX

FOX engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FOX lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Fox 2.5 Performance Series Smooth Body IFP Rear Shock

Elevate your Ford Super Duty's off-road performance and on-road comfort with the Fox 2.5 Performance Series Smooth Body IFP Rear Shock. Engineered for trucks with a 4-6 inch lift, this shock absorber is designed to provide consistent, fade-resistant damping and improved handling. The internal floating piston (IFP) design effectively separates the oil and high-pressure nitrogen gas, preventing cavitation and ensuring optimal performance even under extreme conditions.

Key Features:

  • Application Specific Tuning: Valved precisely for the 2017 and newer Ford F-250/F-350 Super Duty models with 4-6 inch lifts, ensuring a balanced and connected ride.
  • Race-Developed Performance: Utilizes a race-developed main piston and high-flow dynamics for superior damping control.
  • Internal Floating Piston (IFP): Prevents oil and gas from mixing, reducing aeration and fade for consistent performance.
  • Durable Aluminum Body: The 2.5-inch diameter aluminum body dissipates heat more effectively than steel, maintaining performance during extended use.
  • Corrosion Resistant: Built to withstand harsh environments and provide a lifetime of reliable service.
  • Serviceable Design: Fully rebuildable and re-valvable to maintain peak performance over time.

Vehicle Fitment:

This rear shock absorber is designed for:

  • 2017-2024 Ford F-250 Super Duty (4-6" Lift)
  • 2017-2024 Ford F-350 Super Duty (4-6" Lift)
  • Various trim levels including King Ranch, Lariat, Limited, Platinum, XL, and XLT.

Experience the legendary Fox Shox performance and transform your Super Duty's suspension. Upgrade your ride with Fox shocks from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2024 Ford F-250 Super Duty King Ranch
2017-2024 Ford F-250 Super Duty Lariat
2017-2024 Ford F-250 Super Duty Platinum
2017-2024 Ford F-250 Super Duty XL
2017-2024 Ford F-250 Super Duty XLT
2018-2024 Ford F-250 Super Duty Limited
2017-2024 Ford F-350 Super Duty Lariat
2017-2024 Ford F-350 Super Duty Platinum
2017-2024 Ford F-350 Super Duty XL
2017-2024 Ford F-350 Super Duty XLT
2018-2024 Ford F-350 Super Duty Limited

Product Details

Product Description

About FOX

FOX engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FOX lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Fox 2.5 Performance Series Smooth Body IFP Rear Shock

Elevate your Ford Super Duty's off-road performance and on-road comfort with the Fox 2.5 Performance Series Smooth Body IFP Rear Shock. Engineered for trucks with a 4-6 inch lift, this shock absorber is designed to provide consistent, fade-resistant damping and improved handling. The internal floating piston (IFP) design effectively separates the oil and high-pressure nitrogen gas, preventing cavitation and ensuring optimal performance even under extreme conditions.

Key Features:

  • Application Specific Tuning: Valved precisely for the 2017 and newer Ford F-250/F-350 Super Duty models with 4-6 inch lifts, ensuring a balanced and connected ride.
  • Race-Developed Performance: Utilizes a race-developed main piston and high-flow dynamics for superior damping control.
  • Internal Floating Piston (IFP): Prevents oil and gas from mixing, reducing aeration and fade for consistent performance.
  • Durable Aluminum Body: The 2.5-inch diameter aluminum body dissipates heat more effectively than steel, maintaining performance during extended use.
  • Corrosion Resistant: Built to withstand harsh environments and provide a lifetime of reliable service.
  • Serviceable Design: Fully rebuildable and re-valvable to maintain peak performance over time.

Vehicle Fitment:

This rear shock absorber is designed for:

  • 2017-2024 Ford F-250 Super Duty (4-6" Lift)
  • 2017-2024 Ford F-350 Super Duty (4-6" Lift)
  • Various trim levels including King Ranch, Lariat, Limited, Platinum, XL, and XLT.

Experience the legendary Fox Shox performance and transform your Super Duty's suspension. Upgrade your ride with Fox shocks from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2017-2024 Ford F-250 Super Duty King Ranch
2017-2024 Ford F-250 Super Duty Lariat
2017-2024 Ford F-250 Super Duty Platinum
2017-2024 Ford F-250 Super Duty XL
2017-2024 Ford F-250 Super Duty XLT
2018-2024 Ford F-250 Super Duty Limited
2017-2024 Ford F-350 Super Duty Lariat
2017-2024 Ford F-350 Super Duty Platinum
2017-2024 Ford F-350 Super Duty XL
2017-2024 Ford F-350 Super Duty XLT
2018-2024 Ford F-350 Super Duty Limited

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