Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Fox

Fox

Fox 11-19 GMC Sierra 2500 HD 1.5-3.5in Lift Front 2.5 Performance Series Smooth Body IFP HTO Shock

SKU: FOX987-24-031

Shocks and Struts

FOX 2.5 Perf Shock...

Fox 11-19 GMC Sierra 2500 HD 1.5-3.5in Lift Front 2.5 Performance Series Smooth Body IFP HTO Shock
Fox

Fox

Fox 11-19 GMC Sierra 2500 HD 1.5-3.5in Lift Front 2.5 Performance Series Smooth Body IFP HTO Shock

SKU: FOX987-24-031

Shocks and Struts

FOX 2.5 Perf Shock...

A$737.09
IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

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.

Product Overview

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.


Features and Benefits

  • 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
  • Corrosion resistant
  • Application specific tune
  • Fully rebuildable and re-tunable
  • Internal Floating Piston [IFP]
  • Hydraulic Top Out [HTO] Piston
  • 5/8 in. Hard Chrome Shaft
  • 2.5 in. Impact Extruded 6061-T6 Aluminum Shock Body

Product Details

Body Diameter (in):2
Body Material:Aluminum
Bottom Mount:Clevis
California Proposition 65:! WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Collapsed Length:13.770 in.
Compressed Length (in):13.77
Description:PERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK
Extended Length (in):19.35
Extended Length:19.350 in.
Fox Catalog:TRUCK
Label Name:11-19 GM 2500, 3500, Front, 2.5 Truck PS, IFP, 1.5-3.5” Lift, HTO
Part Number:fox987-24-031
Prop 65 Y/n:Y
Reservoir Type:Internal Floating Piston
Series:Performance
Shock Stroke:5.590 in.
Title:PERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK
Top Mount:Bar Pin
Travel (in):5.59
Type:Smooth Body
WARNING CA Proposition 65 Message:! Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:Yes

Part Type

Suspension Shock Absorber

Data: v4.2 - Upd: 2026-10-15 06:04:37

Features

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

Specifications

Product Attributes - Brand
Fox Shox
Product Attributes - Manufacturer's Part Number
987-24-031
Product Attributes - Part Type
Shocks and Struts
Product Attributes - UPC
00692878899413

Reference Information

Brand Name/s Fox
StreetFX SKU fox987-24-031
SFX Item ID 4500028
Supplier Item Code 4500028
Manufacturer SKU 987-24-031
Manufacturer UPC N/A
Alternative References FRS-987-24-031, 1.5-3.5in

Brochures

Compatibility

Application Data
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2016
    Ending Year2013
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeL
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2014
    Ending Year2013
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Drivetrain4WD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeG
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2014
    Ending Year2013
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeL
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2016
    Ending Year2012
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeL
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeL
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2011
    Ending Year2014
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeL
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2015
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeL
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2015
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Drivetrain4WD
    Shock PositionFront
    Body StyleExtended Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeG
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2015
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeG
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2015
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeB
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2015
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN Code8
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2015
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Drivetrain4WD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN Code8
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2015
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Drivetrain4WD
    Shock PositionFront
    Body StyleCrew Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN Code8
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2017
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Drivetrain4WD
    Shock PositionFront
    Body StyleExtended Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeY
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2017
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    DrivetrainRWD
    Shock PositionFront
    Body StyleStandard Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeY
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2017
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    DrivetrainRWD
    Shock PositionFront
    Body StyleStandard Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeB
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2017
    Ending Year2014
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeB
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2015
    Ending Year2012
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Drivetrain4WD
    Shock PositionFront
    Body StyleStandard Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeL
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2015
    Ending Year2012
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Drivetrain4WD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeL
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2019
    Ending Year2015
    Engine TypeV8
    Liter6.0
    CID364
    CC5967
    Engine Size6.0L/364
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Drivetrain4WD
    Shock PositionFront
    Body StyleExtended Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeY
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2019
    Ending Year2015
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeY
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelDENALI
    Beginning Year2019
    Ending Year2014
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeY
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelBASE
    Beginning Year2019
    Ending Year2014
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    DrivetrainRWD
    Shock PositionFront
    Body StyleCab & Chassis
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN CodeY
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2013
    Ending Year2013
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    DrivetrainRWD
    Shock PositionFront
    Body StyleStandard Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN Code8
    RegionUnited States (USA)
  • MakeGMC
    ModelSIERRA 3500 HD
    SubmodelSLT
    Beginning Year2013
    Ending Year2013
    Engine TypeV8
    Liter6.6
    CID403
    CC6599
    Engine Size6.6L/403
    Engine FamilyDURAMAX V8 DIESEL
    Drivetrain4WD
    Shock PositionFront
    Body StyleStandard Cab Pickup
    Application NotesPERFORMANCE SERIES 2.5 SMOOTH BODY IFP HTO SHOCK; Lift: 1.5-3.5
    Engine VIN Code8
    RegionUnited States (USA)

Loading compatibility information...

Keep shopping

More from Fox