2017–2026 Ford F-250/F-350 Super Duty Rear Fox Performance Elite 2.5 Series Shocks (2"–3.5" Lift)

Upgrade your suspension with the proven performance of FOX. The FOX Performance Elite 2.5 Series Shocks are engineered to deliver improved ride quality, better control, and consistent damping both on and off the road. Designed specifically for Ford Super Duty applications, these shocks provide an excellent all-around ride in a true bolt-on solution. Built with precision and durability in mind, they increase off-road capability while improving stability during towing and heavy hauling.

FOX shocks deliver the versatility needed to handle your daily commute, manage heavy loads, and confidently navigate backcountry terrain—all while maintaining comfort and control in any driving condition.

Key Features

• 2.5 Performance Elite Series Design – Increased oil capacity for superior heat dissipation and consistent performance
• 6061-T6 Aluminum Shock Body – 2.5" impact-extruded and CNC-machined with Type III anodizing for durability and corrosion resistance
• Remote Reservoir with DSC Adjuster – Dual Speed Compression (DSC) adjuster allows fine-tuning for high- and low-speed compression
• Smooth Bore Alloy Reservoir – Honed seamless design improves oil flow and shock consistency
• 7/8" Hard Chrome-Plated Steel Shaft – High-strength shaft for durability under demanding conditions
• High-Flow Piston Design – Improves bottom-out resistance and damping performance across all terrains
• Vehicle-Specific Valving – Tuned for optimal ride quality, towing stability, and off-road control
• Redundant Seal Pack System – Includes main seal, wiper seal, and scraper seal for extended service life
• Increased Travel Capability – Maximizes usable travel in both jounce and droop positions
• Optimized Reservoir Mounting – Designed to clear aggressive tires at full steering lock
• Enhanced Heat Dissipation – External reservoir increases oil capacity to reduce fade
• Eyelet Top Mount – Direct-fit mounting configuration for easy installation

Performance Benefits

• Increased off-road capability and suspension control
• Improved stability while towing or hauling heavy loads
• Smooth, controlled ride on-road and off-road
• Greater resistance to shock fade under heavy use
• Versatility for daily driving, work applications, and trail use

Installation

• Install Time: Approximately 1–2 hours
• Difficulty: Basic to moderate
• Tools Required: Standard hand tools
• Installation Notes:
  • Direct bolt-on application
  • Reuses factory mounting locations
  • Remote reservoir mounting required
  • Professional installation recommended if unfamiliar with suspension work

Specifications

• Series: FOX Performance Elite
• Travel: 12.48"
• Lift Range: 2"–3.5" rear lift
• Extended Length: 32.33"
• Compressed Length: 19.85"
• Shock Body: 2.5" 6061-T6 aluminum, Type III anodized
• Reservoir: 2.5" smooth bore alloy with DSC adjuster
• Shaft: 7/8" hard chrome-plated steel
• Valving: Vehicle-specific
• Seal System: Redundant sealing pack (main, wiper, scraper)

Fitment

Ford Super Duty Rear (2"–3.5" Lift Applications)

• 2017–2026 Ford F-250 Super Duty (4WD) – All trims (XL, XLT, Lariat, King Ranch, Platinum, Limited)
• 2017–2026 Ford F-350 Super Duty (4WD) – All trims (XL, XLT, Lariat, King Ranch, Platinum, Limited)

Also Fits Select 2WD & 4WD Models:

• 2025 Ford F-250 Super Duty (2WD & 4WD) – King Ranch, Lariat, Platinum, XLT
• 2023–2026 Ford F-350 Super Duty (2WD & 4WD) – King Ranch, Platinum
• 2018–2024 Ford F-350 Super Duty (2WD & 4WD) – Limited

What’s Included

• (2) FOX Performance Elite 2.5 Series Shock Absorbers
• Remote reservoirs with mounting hardware