Fox 987-24-011 2.5 Performance Series IFP HTO Shock Absorber

PART# 987-24-011 | SKU FOX987-24-011

Vehicle Fitment For:
2011-2026 GM Silverado/Sierra 2500HD/3500HD (Rear) Lifted 1.5"-2.5"

See full application list below
$346.95

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Estimated ship date: 06/19/2026 (if ordered today)
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Description

The Fox 987-24-011 2.5 Performance Series IFP HTO Shock Absorber offers position-sensitive technology, vehicle-specific valving, and larger pistons to help improve on and off-road performance in your Chevy Silverado or GMC Sierra 2500HD/3500HD. These FOX Shocks feature a type II anodized aluminum body that 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. As a result, the IFP helps eliminate oil aeration, allowing maximum performance from the factory-tuned precision valving.

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.

Features: 
  • FOX Shocks 2.5 Performance Series
  • 5/8" Hard Chrome Shaft
  • Application Specific Tune
  • Internal Floating Piston (IFP)
  • Hydraulic Top Out (HTO) Piston
  • Fully Rebuildable And Re-Tunable
  • Type II Clear-Anodized Body Plating
  • High-Flow Velocity-Sensitive Damping
  • 2.5" Impact Extruded 6061-T6 Aluminum Shock Body
  • Sold Individually

Specifications: 
  • Extended Length: 26.72
  • Compressed Length: 17.54
  • Travel: 9.18
  • Top Mount: Eyelet
  • Bottom Mount: Eyelet
Note: 
Lift height is suggested by manufacturer. Due to the many different aftermarket suspension systems it is recommended that a measurement is taken for proper application. 
Shock absorbers sold individually. 
Manufacturer Warranty*:
Limited Lifetime

Instructions & Tech Info

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Specifications For FOX 987-24-011

MPN 987-24-011
SKU FOX987-24-011
GTIN 692878899369
ID 147090
Manufacturer Name FOX
Shipping Weight 7.00 lb.
Shipping Length 26 in.
Shipping Width 3 in.
Shipping Height 3 in.
Fuel Type Diesel / Gas
E-Code 1
Lift Height 1.5", 2", 2.5"
Position Rear
Manufacturer Warranty* Limited Lifetime
Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
Internal L0R0

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