Fox 2.5 Performance Series Smooth Body IFP HTO Shock — Fits 2011-2019 GMC Sierra 2500 HD 1.5-2.5in Lift Rear

SKU: FOX987-24-011
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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

Enhance Your GMC Sierra 2500 HD's Rear Suspension with FOX 2.5 Performance Series Shocks

Improve the ride quality and off-road capability of your 2011-2019 GMC Sierra 2500 HD with the FOX 2.5 Performance Series Smooth Body IFP HTO Shock. Designed for trucks with a 1.5-2.5 inch lift, these rear shocks offer a significant upgrade over stock components. They are engineered to provide increased drop-out travel for better articulation and control on uneven surfaces, while the performance-tuned valving ensures a stable, comfortable ride with reduced body sway.

Built for Durability and Consistent Performance

FOX shocks are synonymous with quality and performance, and this model is built to the same high standards. Key features include:

  • Durable aluminum alloy bodies that dissipate heat effectively, maintaining consistent damping performance under demanding conditions.
  • A race-developed main piston designed for optimal fluid flow and precise damping control.
  • The Internal Floating Piston (IFP) technology, which separates the shock oil from the nitrogen gas charge, preventing aeration and ensuring reliable performance.

These shocks are torture-tested and race-proven, offering a lifetime of exceptional performance. Their fully serviceable design and corrosion-resistant construction ensure they can withstand harsh environments, making them a perfect choice for your GMC Sierra 2500 HD. Trust GGCRACING for your FOX suspension needs.

This rear shock absorber fits the following vehicles:

  • Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
  • Make: GMC
  • Model: Sierra 2500 HD
  • Lift Height: 1.5-2.5 inches
  • Position: Rear

Upgrade your truck's suspension with FOX, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2024 Chevrolet Silverado 2500 HD LT
2011-2024 Chevrolet Silverado 2500 HD LTZ
2011-2024 Chevrolet Silverado 2500 HD WT
2015-2024 Chevrolet Silverado 2500 HD High Country
2020-2024 Chevrolet Silverado 2500 HD Custom
2011-2024 Chevrolet Silverado 3500 HD LT
2011-2024 Chevrolet Silverado 3500 HD LTZ
2011-2024 Chevrolet Silverado 3500 HD WT
2015-2024 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2024 GMC Sierra 2500 HD Denali
2011-2024 GMC Sierra 2500 HD SLE
2011-2024 GMC Sierra 2500 HD SLT
2020-2024 GMC Sierra 2500 HD AT4
2022-2024 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD Denali Ultimate
2024 GMC Sierra 2500 HD AT4X
2011-2014 GMC Sierra 3500 HD WT
2011-2024 GMC Sierra 3500 HD Denali
2011-2024 GMC Sierra 3500 HD SLE
2011-2024 GMC Sierra 3500 HD SLT
2020-2024 GMC Sierra 3500 HD AT4
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

Enhance Your GMC Sierra 2500 HD's Rear Suspension with FOX 2.5 Performance Series Shocks

Improve the ride quality and off-road capability of your 2011-2019 GMC Sierra 2500 HD with the FOX 2.5 Performance Series Smooth Body IFP HTO Shock. Designed for trucks with a 1.5-2.5 inch lift, these rear shocks offer a significant upgrade over stock components. They are engineered to provide increased drop-out travel for better articulation and control on uneven surfaces, while the performance-tuned valving ensures a stable, comfortable ride with reduced body sway.

Built for Durability and Consistent Performance

FOX shocks are synonymous with quality and performance, and this model is built to the same high standards. Key features include:

  • Durable aluminum alloy bodies that dissipate heat effectively, maintaining consistent damping performance under demanding conditions.
  • A race-developed main piston designed for optimal fluid flow and precise damping control.
  • The Internal Floating Piston (IFP) technology, which separates the shock oil from the nitrogen gas charge, preventing aeration and ensuring reliable performance.

These shocks are torture-tested and race-proven, offering a lifetime of exceptional performance. Their fully serviceable design and corrosion-resistant construction ensure they can withstand harsh environments, making them a perfect choice for your GMC Sierra 2500 HD. Trust GGCRACING for your FOX suspension needs.

This rear shock absorber fits the following vehicles:

  • Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
  • Make: GMC
  • Model: Sierra 2500 HD
  • Lift Height: 1.5-2.5 inches
  • Position: Rear

Upgrade your truck's suspension with FOX, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2024 Chevrolet Silverado 2500 HD LT
2011-2024 Chevrolet Silverado 2500 HD LTZ
2011-2024 Chevrolet Silverado 2500 HD WT
2015-2024 Chevrolet Silverado 2500 HD High Country
2020-2024 Chevrolet Silverado 2500 HD Custom
2011-2024 Chevrolet Silverado 3500 HD LT
2011-2024 Chevrolet Silverado 3500 HD LTZ
2011-2024 Chevrolet Silverado 3500 HD WT
2015-2024 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2024 GMC Sierra 2500 HD Denali
2011-2024 GMC Sierra 2500 HD SLE
2011-2024 GMC Sierra 2500 HD SLT
2020-2024 GMC Sierra 2500 HD AT4
2022-2024 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD Denali Ultimate
2024 GMC Sierra 2500 HD AT4X
2011-2014 GMC Sierra 3500 HD WT
2011-2024 GMC Sierra 3500 HD Denali
2011-2024 GMC Sierra 3500 HD SLE
2011-2024 GMC Sierra 3500 HD SLT
2020-2024 GMC Sierra 3500 HD AT4
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

Enhance Your GMC Sierra 2500 HD's Rear Suspension with FOX 2.5 Performance Series Shocks

Improve the ride quality and off-road capability of your 2011-2019 GMC Sierra 2500 HD with the FOX 2.5 Performance Series Smooth Body IFP HTO Shock. Designed for trucks with a 1.5-2.5 inch lift, these rear shocks offer a significant upgrade over stock components. They are engineered to provide increased drop-out travel for better articulation and control on uneven surfaces, while the performance-tuned valving ensures a stable, comfortable ride with reduced body sway.

Built for Durability and Consistent Performance

FOX shocks are synonymous with quality and performance, and this model is built to the same high standards. Key features include:

  • Durable aluminum alloy bodies that dissipate heat effectively, maintaining consistent damping performance under demanding conditions.
  • A race-developed main piston designed for optimal fluid flow and precise damping control.
  • The Internal Floating Piston (IFP) technology, which separates the shock oil from the nitrogen gas charge, preventing aeration and ensuring reliable performance.

These shocks are torture-tested and race-proven, offering a lifetime of exceptional performance. Their fully serviceable design and corrosion-resistant construction ensure they can withstand harsh environments, making them a perfect choice for your GMC Sierra 2500 HD. Trust GGCRACING for your FOX suspension needs.

This rear shock absorber fits the following vehicles:

  • Years: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
  • Make: GMC
  • Model: Sierra 2500 HD
  • Lift Height: 1.5-2.5 inches
  • Position: Rear

Upgrade your truck's suspension with FOX, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2024 Chevrolet Silverado 2500 HD LT
2011-2024 Chevrolet Silverado 2500 HD LTZ
2011-2024 Chevrolet Silverado 2500 HD WT
2015-2024 Chevrolet Silverado 2500 HD High Country
2020-2024 Chevrolet Silverado 2500 HD Custom
2011-2024 Chevrolet Silverado 3500 HD LT
2011-2024 Chevrolet Silverado 3500 HD LTZ
2011-2024 Chevrolet Silverado 3500 HD WT
2015-2024 Chevrolet Silverado 3500 HD High Country
2011-2014 GMC Sierra 2500 HD WT
2011-2024 GMC Sierra 2500 HD Denali
2011-2024 GMC Sierra 2500 HD SLE
2011-2024 GMC Sierra 2500 HD SLT
2020-2024 GMC Sierra 2500 HD AT4
2022-2024 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD Denali Ultimate
2024 GMC Sierra 2500 HD AT4X
2011-2014 GMC Sierra 3500 HD WT
2011-2024 GMC Sierra 3500 HD Denali
2011-2024 GMC Sierra 3500 HD SLE
2011-2024 GMC Sierra 3500 HD SLT
2020-2024 GMC Sierra 3500 HD AT4
2022-2024 GMC Sierra 3500 HD Pro
2024 GMC Sierra 3500 HD Denali Ultimate

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