Fox 2011+ GMC Sierra 2500 HD 1.5-2.5in Lift Rear 2.5 Performance Series Smooth Body IFP HTO Shock

FOX Performance Series shocks contain the latest in shock technology to transform the performance of your Truck or SUV. They use our race-proven damping control to provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions. Application specific valving to maximize performance. Increase your vehicle's off-road capability by extending drop-out travel in most applications. Experience on-road comfort with performance-minded shock valving for a connected ride with less vehicle sway. Tuned specifically for your vehicle’s application._x000D__x000D_ _x000D__x000D_ Consistent and fade-resistant performance due to high-quality materials: aluminum bodies, race-developed main piston, and a true internal floating piston (IFP) to separate gas and oil._x000D__x000D_ _x000D__x000D_ Built-to-last, torture-tested and race-proven to give a lifetime of great rides. FOX products are built from aluminum, dissipating heat four times better than conventional materials. All FOX shocks are fully serviceable and resistant to corrosion and harsh environments.

• 2.5 in. Impact Extruded 6061-T6 Aluminum Shock Body
• 2.5” Impact extruded 6061-T6 aluminum shock body
• High-flow velocity-sensitive damping
• Type II clear-anodized body plating
• Fully rebuildable and re-tunable
• Internal floating piston (IFP)
• Hydraulic Top Out (HTO) piston
• Internal Floating Piston [IFP]
• Hydraulic Top Out [HTO] Piston
• Application specific tune
• 5/8 in. Hard Chrome Shaft
• 5/8” hard chrome shaft
• Corrosion resistant

Upgrade your 2011 GMC Sierra 2500 HD or Silverado 3500 HD with FOX Performance Series shocks designed for optimal performance and durability. These shocks feature a 2.5-inch impact-extruded 6061-T6 aluminum body, providing strength and heat dissipation for consistent, fade-resistant operation. The high-flow velocity-sensitive damping offers a smoother ride on paved roads while maintaining excellent off-road handling capabilities. Application-specific valving ensures your vehicle benefits from tailored performance, whether you're on the highway or challenging terrain. Built with race-proven technology, these shocks incorporate an internal floating piston (IFP) to separate gas and oil, enhancing responsiveness and longevity. The hydraulic top-out piston further improves ride quality by preventing harsh impacts at full extension. Fully rebuildable and re-tunable, FOX shocks allow for easy maintenance and adjustments to suit your driving style and conditions. Constructed from corrosion-resistant materials, including a 5/8-inch hard chrome shaft, these shocks are built to withstand harsh environments and provide a lifetime of reliable performance. Whether you're looking to improve off-road capability or enhance on-road comfort, these FOX Performance Series shocks are a versatile upgrade for your truck or SUV.

Features:

• 2.5-inch impact extruded 6061-T6 aluminum shock body for durability and heat dissipation

• High-flow velocity-sensitive damping for smooth ride and control

• Type II clear-anodized body plating for corrosion resistance

• Fully rebuildable and re-tunable for customized performance

• Internal floating piston (IFP) separates gas and oil for consistent operation

• Hydraulic top-out (HTO) piston enhances ride quality at full extension

• Application-specific tuning for optimal performance

• 5/8-inch hard chrome shaft for strength and corrosion resistance

Fitment:
Chevrolet Silverado 2500 HD Custom 2020
Chevrolet Silverado 2500 HD Custom 2021
Chevrolet Silverado 2500 HD Custom 2022
Chevrolet Silverado 2500 HD Custom 2023
Chevrolet Silverado 2500 HD Custom 2024
Chevrolet Silverado 2500 HD Custom 2025
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GMC Sierra 2500 HD AT4 2020
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