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Performance Elite Series 2.5 Reservoir smooth body shocks give you enhanced ride quality and the control you need when heading off the pavement. They take their design from our Off-Road race shocks, so they've been thoroughly perfected in brutal conditions that you will probably never see.
Key Features
- Direct Bolt-On Fit: Engineered for 0-1in rear lift with 27.41in extended 17.40in compressed and 10.01in travel for seamless installation.
- 2.5-inch Aluminum Body: Lightweight durable construction dissipates heat faster than steel to maintain performance under extreme conditions.
- Direct bolt-on no modifications required for 0-1in lift setups.
- Yes it fits 2020-2024 Silverado 2500 HD LT and all listed submodels with 0-1in rear lift for direct bolt-on performance.
- 2.5in black anodized aluminum body 7/8in hard chrome steel shaft and external reservoir for durability and heat management.
- External Reservoir Design: Increases oil volume and surface area for superior heat dissipation and consistent damping during long hauls or heavy towing.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2020-2026 | Chevrolet | Silverado 2500 HD | Trim: Custom, High Country, LT, LTZ, WT | Position: Rear | Lift height: 0"-1" |
| 2020-2026 | Chevrolet | Silverado 3500 HD | Position: Rear | Lift height: 0"-1" |
| 2020-2026 | GMC | Sierra 2500 HD | Trim: AT4, Denali, Denali Ultimate, Pro, SLE, SLT | Position: Rear | Lift height: 0"-1" |
| 2020-2026 | GMC | Sierra 3500 HD | Position: Rear | Lift height: 0"-1" |
Specifications
| Brand | FOX |
|---|---|
| Manufacturer Part Number | 883-26-085 |
| Product Type | Shocks and Struts |
| Condition | New |
| Fitment State | Vehicle Specific |
| Body Diameter | 2.5 |
| Bottom Mount Type | Eyelet |
| Compressed Length | 16.34 |
| Extended Length | 26.31 |
| Lifetime Warranty | No |
| Lift Height | 0-1" |
| Position | Rear |
| Series | Performance Elite |
| Shock Type | Smooth Body |
| Top Mount Type | Eyelet |
| Travel Length | 9.97 |
What's Included
One new FOX product package identified by manufacturer part number 883-26-085. Only components expressly supplied for this exact part number are included.
About FOX
FOX develops performance suspension products for street, off-road, racing, and specialty vehicle applications. Correct selection remains exact-application and exact-part-number specific.
Related FOX Products
- Fox 20-Up GM 2500/3500 HD Performance Series 2.0 Rear Smooth Body 1.5-3in Lift
- Fox 20+ GM 2500/3500 HD 2.0 Performance Series IFP Rear Shock 0-1in Lift
- Fox 20+ GM 2500/3500 HD 2.0 Performance Series IFP Rear Shock 1.5-3in Lift
Browse the FOX collection for related suspension and service components.
Frequently Asked Questions
Will FOX 883-26-085 fit my 2020-2026 Chevrolet Silverado 2500 HD?
That year-make-model is listed, but the trim, drivetrain, suspension package, position, lift height, production split, and every application note must also match.
Does FOX 883-26-085 change ride height or require supporting parts?
That depends on the exact application and configuration. Confirm the stated lift range, spring requirements, upper control arms, brackets, reservoirs, steering parts, alignment needs, and wheel and tire clearance before installation.
What is included with FOX 883-26-085?
The package includes only the components supplied by FOX for this exact part number. Springs, reservoirs, brackets, clamps, hardware, companion shocks, service fluid, and installation tools are separate unless expressly listed.
Installation Instructions
Follow the current FOX instructions and vehicle service information for this exact part number. Support the vehicle safely, use the specified tools and torque values, inspect all mounts and hardware, verify brake-line, steering, driveline, reservoir, wheel, and tire clearance, settle the suspension, and complete an alignment whenever geometry or ride height changes. Professional installation is recommended.
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