FOX 985-24-239 2.0 Perf Srs Rear Shock for 20-25 Chevy/GMC 2500/3500HD

Vehicle Fitment

• 2020-2025 Chevrolet Silverado 2500 HD/3500 HD (All trims, 6.6L Gas & 6.6L Diesel)
• 2020-2025 GMC Sierra 2500 HD/3500 HD (All trims, 6.6L Gas & 6.6L Diesel)

Features

• FOX 2.0 Performance Series smooth body IFP rear shock
• Internal Floating Piston (IFP) technology for fade-free damping
• Application-specific valving tuned for GM heavy-duty trucks
• Race-developed high-flow piston design
• Durable 2.0" impact-extruded 6061-T6 aluminum body
• Clear-anodized finish resists corrosion and heat
• Quiet nitrile rubber bushings for smooth articulation
• Reuses factory mounting hardware (eyelet/eyelet)

Specifications

• Part Number: 985-24-239
• Position: Rear shock absorber
• Lift Height: 0-1" compatible with stock and up to 1" lift setups
• Extended Length: 25.92"
• Compressed Length: 16.30"
• Travel Length: ~9.62"
• Body Material: 6061-T6 aluminum
• Mount Type: Eyelet top & bottom

Included Components

• 1x FOX 2.0 Performance Series IFP Rear Shock (985-24-239)
• Included hardware: washers, bushings, mounting nuts

Product Description

The FOX 985-24-239 2.0 Performance Series Rear Shock is a direct-replacement performance upgrade designed specifically for 2020 through 2025 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD trucks. Built around a rugged 2.0" impact-extruded aluminum body, this shock features FOX's Internal Floating Piston (IFP) technology and race-developed valving to provide predictable damping and improved ride quality over stock units, whether driving daily or tackling rough terrain.

Engineered for vehicles with stock height or up to a 1" lift, the 985-24-239 offers approximately 9.6" of travel, helping maintain suspension control and comfort without sacrificing durability. Its corrosion-resistant anodized finish and premium internal components deliver long-lasting performance and reliable operation in varied conditions. Ideal for heavy-duty Chevy and GMC truck owners looking to enhance rear suspension response and comfort, this FOX Performance Series shock is a solid choice for both on-road refinement and off-road capability.