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Suspension & Performance → Shocks & Struts → Fox 2.5 Performance Series HTO IFP Shocks

Fox 2.5 Performance Series HTO IFP Shocks

Fox Shocks
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FOX-987-24-001
Part #:FOX-987-24-001
Availability:In Stock
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ONLY Fits Select Four-Wheel Drive (4WD) Models Listed. Lift Height: 0-1.5in. Position: Rear.

Extended Length (in): 29.58; Compressed Length (in): 18.79; Travel (in): 10.79; Top Mount: Eyelet; Bottom Mount: Eyelet; Body Diameter (in): 2.5; Body Material: Aluminum; Reservoir Type: Internal Floating Piston; Type: Smooth Body; Series: Performance;

Installation Instructions: Click Here
Price: $359.95
  • 2.5” Impact extruded 6061-T6 aluminum shock body
  • Type II clear-anodized body plating
  • High-flow velocity-sensitive damping
  • 5/8” hard chrome shaft
  • Internal floating piston (IFP)
  • Hydraulic Top Out (HTO) piston

FOX 2.5 Performance Series HTO shock is a bolt-on shock loaded with position-sensitive technology, vehicle-specific valving, and larger pistons to improve on and off-road performance. A type II anodized aluminum body efficiently dissipates heat and prevents corrosion. The 2.5-inch shock body features an internal floating piston (IFP) to separate the shock oil from the high-pressure nitrogen, optimizing damping.

Hydraulic Top Out (HTO) technology offers usable position-sensitive rebound damping control on and off the pavement. HTO reduces harsh top-outs and increases comfort by forcing shock oil through a secondary shim stack to slow down shock shaft speed; HTO is particularly beneficial after installing heavier, aggressive tires and applications lifted higher than OEM specification.

Bolt-on 2.5 Performance Series HTO shocks to increase damping capacity and ride in comfort with position-sensitive rebound control.


California Residents: Prop 65 Warning

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Fox 2.5 Performance Series HTO IFP Shocks fits the following vehicle(s):

  • 2019 Chevrolet Silverado 1500
  • 2020 Chevrolet Silverado 1500
  • 2021 Chevrolet Silverado 1500
  • 2022 Chevrolet Silverado 1500
  • 2023 Chevrolet Silverado 1500
  • 2024 Chevrolet Silverado 1500
  • 2025 Chevrolet Silverado 1500
  • 2026 Chevrolet Silverado 1500
  • 2022 Chevrolet Silverado 1500 LTD
  • 2011 Chevrolet Silverado 2500 HD
  • 2012 Chevrolet Silverado 2500 HD
  • 2013 Chevrolet Silverado 2500 HD
  • 2014 Chevrolet Silverado 2500 HD
  • 2015 Chevrolet Silverado 2500 HD
  • 2016 Chevrolet Silverado 2500 HD
  • 2017 Chevrolet Silverado 2500 HD
  • 2018 Chevrolet Silverado 2500 HD
  • 2019 Chevrolet Silverado 2500 HD
  • 2020 Chevrolet Silverado 2500 HD
  • 2021 Chevrolet Silverado 2500 HD
  • 2022 Chevrolet Silverado 2500 HD
  • 2023 Chevrolet Silverado 2500 HD
  • 2024 Chevrolet Silverado 2500 HD
  • 2025 Chevrolet Silverado 2500 HD
  • 2026 Chevrolet Silverado 2500 HD
  • 2011 Chevrolet Silverado 3500 HD
  • 2012 Chevrolet Silverado 3500 HD
  • 2013 Chevrolet Silverado 3500 HD
  • 2014 Chevrolet Silverado 3500 HD
  • 2015 Chevrolet Silverado 3500 HD
  • 2016 Chevrolet Silverado 3500 HD
  • 2017 Chevrolet Silverado 3500 HD
  • 2018 Chevrolet Silverado 3500 HD
  • 2019 Chevrolet Silverado 3500 HD
  • 2020 Chevrolet Silverado 3500 HD
  • 2021 Chevrolet Silverado 3500 HD
  • 2022 Chevrolet Silverado 3500 HD
  • 2023 Chevrolet Silverado 3500 HD
  • 2024 Chevrolet Silverado 3500 HD
  • 2025 Chevrolet Silverado 3500 HD
  • 2026 Chevrolet Silverado 3500 HD
  • 2005 Ford F-250 Super Duty
  • 2006 Ford F-250 Super Duty
  • 2007 Ford F-250 Super Duty
  • 2008 Ford F-250 Super Duty
  • 2009 Ford F-250 Super Duty
  • 2010 Ford F-250 Super Duty
  • 2011 Ford F-250 Super Duty
  • 2012 Ford F-250 Super Duty
  • 2013 Ford F-250 Super Duty
  • 2014 Ford F-250 Super Duty
  • 2015 Ford F-250 Super Duty
  • 2016 Ford F-250 Super Duty
  • 2017 Ford F-250 Super Duty
  • 2018 Ford F-250 Super Duty
  • 2019 Ford F-250 Super Duty
  • 2020 Ford F-250 Super Duty
  • 2021 Ford F-250 Super Duty
  • 2022 Ford F-250 Super Duty
  • 2023 Ford F-250 Super Duty
  • 2024 Ford F-250 Super Duty
  • 2025 Ford F-250 Super Duty
  • 2026 Ford F-250 Super Duty
  • 2005 Ford F-350 Super Duty
  • 2006 Ford F-350 Super Duty
  • 2007 Ford F-350 Super Duty
  • 2008 Ford F-350 Super Duty
  • 2009 Ford F-350 Super Duty
  • 2010 Ford F-350 Super Duty
  • 2011 Ford F-350 Super Duty
  • 2012 Ford F-350 Super Duty
  • 2013 Ford F-350 Super Duty
  • 2014 Ford F-350 Super Duty
  • 2015 Ford F-350 Super Duty
  • 2016 Ford F-350 Super Duty
  • 2017 Ford F-350 Super Duty
  • 2018 Ford F-350 Super Duty
  • 2019 Ford F-350 Super Duty
  • 2020 Ford F-350 Super Duty
  • 2021 Ford F-350 Super Duty
  • 2022 Ford F-350 Super Duty
  • 2023 Ford F-350 Super Duty
  • 2024 Ford F-350 Super Duty
  • 2025 Ford F-350 Super Duty
  • 2026 Ford F-350 Super Duty
  • 2019 GMC Sierra 1500
  • 2020 GMC Sierra 1500
  • 2021 GMC Sierra 1500
  • 2022 GMC Sierra 1500
  • 2023 GMC Sierra 1500
  • 2024 GMC Sierra 1500
  • 2025 GMC Sierra 1500
  • 2026 GMC Sierra 1500
  • 2022 GMC Sierra 1500 Limited
  • 2011 GMC Sierra 2500 HD
  • 2012 GMC Sierra 2500 HD
  • 2013 GMC Sierra 2500 HD
  • 2014 GMC Sierra 2500 HD
  • 2015 GMC Sierra 2500 HD
  • 2016 GMC Sierra 2500 HD
  • ...
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