Fox Performance Series 2.0 Smooth Body Rear Shock 1.5-3in Lift — Fits 2020-2026 GM 2500/3500 HD

SKU: FOX985-24-245
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Sale price$339.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About FOX

FOX engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FOX lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your GM HD Suspension Performance

Transform your 2020-2026 Chevrolet Silverado or GMC Sierra 2500/3500 HD with the Fox Performance Series 2.0 Smooth Body rear shocks. Engineered for enthusiasts who demand more from their heavy-duty truck, these shocks provide a significant upgrade over factory dampening, offering improved ride quality and increased off-road capability for trucks with a 1.5 to 3-inch lift.

Technical Advantages

  • Aluminum Body: Precision-extruded 6061-T6 aluminum dissipates heat four times faster than steel, preventing shock fade during heavy use.
  • IFP Technology: Features an Internal Floating Piston (IFP) to separate high-pressure nitrogen gas from the shock oil, eliminating cavitation and ensuring consistent performance.
  • Race-Proven Valving: Application-specific valving provides a connected, controlled ride that reduces body sway during cornering and towing.
  • Fully Serviceable: Designed for longevity, these shocks can be rebuilt or re-valved to match your specific driving style or vehicle weight changes.

Whether you are navigating rough job sites or hitting the trails, these shocks deliver the durability you need. The clear-anodized finish protects against corrosion, ensuring your suspension looks as good as it performs. Enhance your truck's handling and stability with this premium upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2024 Chevrolet Silverado 2500 HD Custom
2020-2024 Chevrolet Silverado 2500 HD High Country
2020-2024 Chevrolet Silverado 2500 HD LT
2020-2024 Chevrolet Silverado 2500 HD LTZ
2020-2024 Chevrolet Silverado 2500 HD WT
2020-2024 Chevrolet Silverado 3500 HD High Country
2020-2024 Chevrolet Silverado 3500 HD LT
2020-2024 Chevrolet Silverado 3500 HD LTZ
2020-2024 Chevrolet Silverado 3500 HD WT
2020-2024 GMC Sierra 2500 HD AT4
2020-2024 GMC Sierra 2500 HD Denali
2020-2024 GMC Sierra 2500 HD SLE
2020-2024 GMC Sierra 2500 HD SLT
2022-2024 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD AT4X
2024 GMC Sierra 2500 HD Denali Ultimate
2020-2021 GMC Sierra 3500 HD Base
2020-2024 GMC Sierra 3500 HD AT4
2020-2024 GMC Sierra 3500 HD SLE
2020-2024 GMC Sierra 3500 HD SLT
2022-2024 GMC Sierra 3500 HD Pro
2024 GMC Sierra 3500 HD Denali Ultimate

Product Details

Product Description
Part Numbers
Sizing & Fit

About FOX

FOX engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FOX lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your GM HD Suspension Performance

Transform your 2020-2026 Chevrolet Silverado or GMC Sierra 2500/3500 HD with the Fox Performance Series 2.0 Smooth Body rear shocks. Engineered for enthusiasts who demand more from their heavy-duty truck, these shocks provide a significant upgrade over factory dampening, offering improved ride quality and increased off-road capability for trucks with a 1.5 to 3-inch lift.

Technical Advantages

  • Aluminum Body: Precision-extruded 6061-T6 aluminum dissipates heat four times faster than steel, preventing shock fade during heavy use.
  • IFP Technology: Features an Internal Floating Piston (IFP) to separate high-pressure nitrogen gas from the shock oil, eliminating cavitation and ensuring consistent performance.
  • Race-Proven Valving: Application-specific valving provides a connected, controlled ride that reduces body sway during cornering and towing.
  • Fully Serviceable: Designed for longevity, these shocks can be rebuilt or re-valved to match your specific driving style or vehicle weight changes.

Whether you are navigating rough job sites or hitting the trails, these shocks deliver the durability you need. The clear-anodized finish protects against corrosion, ensuring your suspension looks as good as it performs. Enhance your truck's handling and stability with this premium upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2024 Chevrolet Silverado 2500 HD Custom
2020-2024 Chevrolet Silverado 2500 HD High Country
2020-2024 Chevrolet Silverado 2500 HD LT
2020-2024 Chevrolet Silverado 2500 HD LTZ
2020-2024 Chevrolet Silverado 2500 HD WT
2020-2024 Chevrolet Silverado 3500 HD High Country
2020-2024 Chevrolet Silverado 3500 HD LT
2020-2024 Chevrolet Silverado 3500 HD LTZ
2020-2024 Chevrolet Silverado 3500 HD WT
2020-2024 GMC Sierra 2500 HD AT4
2020-2024 GMC Sierra 2500 HD Denali
2020-2024 GMC Sierra 2500 HD SLE
2020-2024 GMC Sierra 2500 HD SLT
2022-2024 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD AT4X
2024 GMC Sierra 2500 HD Denali Ultimate
2020-2021 GMC Sierra 3500 HD Base
2020-2024 GMC Sierra 3500 HD AT4
2020-2024 GMC Sierra 3500 HD SLE
2020-2024 GMC Sierra 3500 HD SLT
2022-2024 GMC Sierra 3500 HD Pro
2024 GMC Sierra 3500 HD Denali Ultimate

Product Details

Product Description

About FOX

FOX engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FOX lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Elevate Your GM HD Suspension Performance

Transform your 2020-2026 Chevrolet Silverado or GMC Sierra 2500/3500 HD with the Fox Performance Series 2.0 Smooth Body rear shocks. Engineered for enthusiasts who demand more from their heavy-duty truck, these shocks provide a significant upgrade over factory dampening, offering improved ride quality and increased off-road capability for trucks with a 1.5 to 3-inch lift.

Technical Advantages

  • Aluminum Body: Precision-extruded 6061-T6 aluminum dissipates heat four times faster than steel, preventing shock fade during heavy use.
  • IFP Technology: Features an Internal Floating Piston (IFP) to separate high-pressure nitrogen gas from the shock oil, eliminating cavitation and ensuring consistent performance.
  • Race-Proven Valving: Application-specific valving provides a connected, controlled ride that reduces body sway during cornering and towing.
  • Fully Serviceable: Designed for longevity, these shocks can be rebuilt or re-valved to match your specific driving style or vehicle weight changes.

Whether you are navigating rough job sites or hitting the trails, these shocks deliver the durability you need. The clear-anodized finish protects against corrosion, ensuring your suspension looks as good as it performs. Enhance your truck's handling and stability with this premium upgrade from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2020-2024 Chevrolet Silverado 2500 HD Custom
2020-2024 Chevrolet Silverado 2500 HD High Country
2020-2024 Chevrolet Silverado 2500 HD LT
2020-2024 Chevrolet Silverado 2500 HD LTZ
2020-2024 Chevrolet Silverado 2500 HD WT
2020-2024 Chevrolet Silverado 3500 HD High Country
2020-2024 Chevrolet Silverado 3500 HD LT
2020-2024 Chevrolet Silverado 3500 HD LTZ
2020-2024 Chevrolet Silverado 3500 HD WT
2020-2024 GMC Sierra 2500 HD AT4
2020-2024 GMC Sierra 2500 HD Denali
2020-2024 GMC Sierra 2500 HD SLE
2020-2024 GMC Sierra 2500 HD SLT
2022-2024 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD AT4X
2024 GMC Sierra 2500 HD Denali Ultimate
2020-2021 GMC Sierra 3500 HD Base
2020-2024 GMC Sierra 3500 HD AT4
2020-2024 GMC Sierra 3500 HD SLE
2020-2024 GMC Sierra 3500 HD SLT
2022-2024 GMC Sierra 3500 HD Pro
2024 GMC Sierra 3500 HD Denali Ultimate

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