FOX 987-24-056 2.5" Rear Performance Series IFP HTO Shock for 2005-16 Ford F-250

Vehicle Fitment

• 2005-2016 Ford F-250 Super Duty 4WD (4-6" rear lift)
• 2005-2016 Ford F-350 Super Duty 4WD (4-6" rear lift)

Features

• 2.5" impact-extruded 6061-T6 aluminum shock body
• Type II clear-anodized finish for enhanced corrosion resistance
• Internal Floating Piston (IFP) design separates oil and nitrogen for consistent performance
• Hydraulic Top Out (HTO) piston reduces harsh bottom-out impacts
• High-flow velocity-sensitive damping for improved ride quality
• 5/8" hard chrome-plated shaft for durability
• Designed for use with 4-6" rear lift kits
• Easy bolt-on installation; does not fit OEM mounts

Specifications

• Lift Height: 4-6 inches (rear)
• Shock Body Material: 6061-T6 aluminum
• Body Diameter: 2.5 inches
• Finish: Type II clear-anodized
• Shaft Size: 5/8 inches
• Mounting: Eyelet top and bottom; not compatible with OEM mounts
• Reservoir Type: Internal Floating Piston (IFP)
• Adjuster Type: None (non-adjustable)
• Valving: Application-specific

Included Components

• 1x FOX 987-24-056 Rear Performance Series 2.5 Shock
• All necessary washers, bushings, and nuts

Product Description

The FOX 987-24-056 is a high-performance 2.5" rear shock designed for the 2005-2016 Ford F-250/F-350 Super Duty 4WD trucks with a 4-6" rear lift. Its Internal Floating Piston (IFP) design ensures consistent damping performance by separating oil and nitrogen, preventing cavitation and fade.

Ideal for off-road enthusiasts and daily drivers alike, this shock offers application-specific valving for optimized ride quality and control. The impact-extruded 6061-T6 aluminum body provides durability and resistance to corrosion, while the high-flow damping piston offers smooth and efficient damping performance.

Please note that this shock is designed for vehicles with a 4-6" rear lift and may not be compatible with stock-height vehicles without additional modifications.