Fox 987-24-001 2.5 Rear HTO IFP Shock for 17-25 Ford F-250/F-350 Super Duty

Vehicle Fitment

• 2017-2025 Ford F-250 Super Duty (4WD, 0-1.5" lift compatible)
• 2017-2025 Ford F-350 Super Duty (4WD, 0-1.5" lift compatible)

Features

• Fox 2.5 Performance Series Rear Shock Absorber
• Hydraulic Top Out (HTO) piston for improved rebound control
• Internal Floating Piston (IFP) separates gas and oil for consistent damping
• Position-sensitive valving tailored for Super Duty rear suspension
• Type II clear-anodized aluminum body resists corrosion
• High-flow damping characteristics for better ride quality
• 5/8" hard chrome shaft increases strength and wear resistance
• Fully rebuildable and serviceable design

Specifications

• Part Number: 987-24-001
• Position: Rear
• Body Diameter: 2.5"
• Body Material: Impact-extruded aluminum
• Reservoir: Internal Floating Piston (IFP)
• Compression Tech: Hydraulic Top Out (HTO)
• Extended Length: ~29.58"
• Compressed Length: ~18.79"
• Travel: ~10.79"
• Mounts: Upper eyelet / Lower eyelet
• Compatible Lift: 0-1.5" rear lift
• Sold Individually (1x shock)

Included Components

• 1x Fox 2.5 Performance Series HTO Rear Shock (987-24-001)

Product Description

The Fox 987-24-001 2.5 Performance Series Rear Shock is a direct-fit upgrade designed specifically for 2017-2025 Ford F-250 and F-350 Super Duty trucks with up to 1.5" of rear lift. Built on Fox's race-inspired performance platform, this shock features advanced Hydraulic Top Out (HTO) and Internal Floating Piston (IFP) technology to deliver consistent damping performance, improved control, and a smoother ride over a wide range of terrain and load conditions.

With a rugged 2.5" anodized aluminum body, high-flow damping characteristics, and vehicle-specific valving, the 987-24-001 enhances stability and comfort both on the highway and off-road. Its robust design - including a hardened chrome shaft and serviceable internals - ensures long-lasting performance. This shock is sold individually, and pairing two for balanced handling is recommended.