FOX 883-26-085 Performance Elite Series 2.5 Rear Adjustable Shocks for 2020-Up GM 2500/3500 HD, 0-1 Inch Lift

Developed from our off-road race shocks, FOX Performance Elite Series combines race-proven technology with new, cutting-edge features to provide enhanced ride-quality and winning damping performance you can bolt onto your truck or SUV. Application specific valving to maximize performance. Expand your vehicle’s capability with an oversized performance shock that increases strength, provides control and extended wheel travel specifically engineered for your vehicle. The larger aluminum body dissipates heat more efficiently and the increased internal oil volume allows for more control through FOX’s race-developed high-flow pistons._x000D_ _x000D_ Conquer more terrain knowing with our 7/8” hard chromed shock shaft and a redundant seal pack, designed for harsh environments and extreme conditions. Fully serviceable for a lifetime of use._x000D_ _x000D_ Confidence comes with control. FOX Performance Elite shocks offer the widest range of adjustability we offer. Easily adjust your shock for terrain, load and speed to stay in control and confident no matter what path you take.

• Performance Tuned For Vehicle Specific Application
• Aluminum Body Dissipates Heat Faster Than Steel
• Black Anodized CNC Machined Aluminum Components
• External Reservoir System Dissipates Heat Fast

Upgrade your truck’s suspension control with FOX Performance Elite Series rear shocks, part number 883-26-085. Developed from FOX off-road race shocks, this vehicle-specific shock package combines application-specific valving with race-proven damping technology to improve ride quality, handling, and control on the street, while towing, and across demanding off-road terrain. These shocks are engineered for 2020 and newer Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, and GMC Sierra 2500 HD applications with a 0-1 inch lift.

The oversized aluminum shock body helps dissipate heat more efficiently than a traditional steel body, while increased internal oil volume supports consistent damping during extended use. FOX high-flow pistons provide controlled performance, and the external reservoir system further improves heat management. A 7/8-inch hard-chromed shock shaft and redundant seal pack are designed to withstand harsh environments and extreme conditions. The shocks are fully serviceable, supporting long-term maintenance and lifetime use.

Performance Elite Series shocks provide FOX’s widest range of adjustment, allowing damping to be tuned for changing terrain, vehicle loads, and driving speeds. Black-anodized, CNC-machined aluminum components deliver durable performance and a clean appearance. This rear shock set is designed as a direct suspension upgrade for compatible GM heavy-duty trucks and includes one FOX rear adjustable shock. Professional installation is recommended, and vehicle-specific fitment should be confirmed before ordering.

Fitment: Fits 2020 and newer Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, and GMC Sierra 2500 HD models listed for the application, with a 0-1 inch lift. This product is not CARB approved. California buyers should verify emissions-related requirements before installation.

What's Included

• One FOX Performance Elite Series rear adjustable shock

Features:

• Vehicle-Specific Valving: Tuned for compatible GM 2500 and 3500 HD applications to provide controlled damping and improved ride quality.
• Aluminum Shock Body: Dissipates heat faster than steel to support consistent performance during towing, off-road driving, and extended use.
• High-Flow Piston Technology: Race-developed internal design provides enhanced damping control and expanded vehicle capability.
• Adjustable Performance: Wide damping adjustability allows tuning for terrain, vehicle load, and driving speed.

Fitments:
2020 Chevrolet Silverado 2500 HD Custom
2020 Chevrolet Silverado 2500 HD High Country
2020 Chevrolet Silverado 2500 HD LT
2020 Chevrolet Silverado 2500 HD LTZ
2020 Chevrolet Silverado 2500 HD WT
2020 Chevrolet Silverado 3500 HD High Country
2020 Chevrolet Silverado 3500 HD LT
2020 Chevrolet Silverado 3500 HD LTZ
2020 Chevrolet Silverado 3500 HD WT
2020 GMC Sierra 2500 HD AT4
2020 GMC Sierra 2500 HD Base
2020 GMC Sierra 2500 HD Denali
2020 GMC Sierra 2500 HD SLE
2020 GMC Sierra 2500 HD SLT
2020 GMC Sierra 3500 HD AT4
2020 GMC Sierra 3500 HD Base
2020 GMC Sierra 3500 HD Denali
2020 GMC Sierra 3500 HD SLE
2020 GMC Sierra 3500 HD SLT
2021 Chevrolet Silverado 2500 HD Custom
2021 Chevrolet Silverado 2500 HD High Country
2021 Chevrolet Silverado 2500 HD LT
2021 Chevrolet Silverado 2500 HD LTZ
2021 Chevrolet Silverado 2500 HD WT
2021 Chevrolet Silverado 3500 HD High Country
2021 Chevrolet Silverado 3500 HD LT
2021 Chevrolet Silverado 3500 HD LTZ
2021 Chevrolet Silverado 3500 HD WT
2021 GMC Sierra 2500 HD AT4
2021 GMC Sierra 2500 HD Base
2021 GMC Sierra 2500 HD Denali
2021 GMC Sierra 2500 HD SLE
2021 GMC Sierra 2500 HD SLT
2021 GMC Sierra 3500 HD AT4
2021 GMC Sierra 3500 HD Base
2021 GMC Sierra 3500 HD Denali
2021 GMC Sierra 3500 HD SLE
2021 GMC Sierra 3500 HD SLT
2022 Chevrolet Silverado 2500 HD Custom
2022 Chevrolet Silverado 2500 HD High Country
2022 Chevrolet Silverado 2500 HD LT
2022 Chevrolet Silverado 2500 HD LTZ
2022 Chevrolet Silverado 2500 HD WT
2022 Chevrolet Silverado 3500 HD High Country
2022 Chevrolet Silverado 3500 HD LT
2022 Chevrolet Silverado 3500 HD LTZ
2022 Chevrolet Silverado 3500 HD WT
2022 GMC Sierra 2500 HD AT4
2022 GMC Sierra 2500 HD Base
2022 GMC Sierra 2500 HD Denali
2022 GMC Sierra 2500 HD SLE
2022 GMC Sierra 2500 HD SLT
2022 GMC Sierra 3500 HD AT4
2022 GMC Sierra 3500 HD Base
2022 GMC Sierra 3500 HD Denali
2022 GMC Sierra 3500 HD SLE
2022 GMC Sierra 3500 HD SLT
2023 Chevrolet Silverado 2500 HD Custom
2023 Chevrolet Silverado 2500 HD High Country
2023 Chevrolet Silverado 2500 HD LT
2023 Chevrolet Silverado 2500 HD LTZ
2023 Chevrolet Silverado 2500 HD WT
2023 Chevrolet Silverado 3500 HD High Country
2023 Chevrolet Silverado 3500 HD LT
2023 Chevrolet Silverado 3500 HD LTZ
2023 Chevrolet Silverado 3500 HD WT
2023 GMC Sierra 2500 HD AT4
2023 GMC Sierra 2500 HD Denali
2023 GMC Sierra 2500 HD Pro
2023 GMC Sierra 2500 HD SLE
2023 GMC Sierra 2500 HD SLT
2023 GMC Sierra 3500 HD AT4
2023 GMC Sierra 3500 HD Denali
2023 GMC Sierra 3500 HD Pro
2023 GMC Sierra 3500 HD SLE
2023 GMC Sierra 3500 HD SLT
2024 Chevrolet Silverado 2500 HD Custom
2024 Chevrolet Silverado 2500 HD High Country
2024 Chevrolet Silverado 2500 HD LT
2024 Chevrolet Silverado 2500 HD LTZ
2024 Chevrolet Silverado 2500 HD WT
2024 Chevrolet Silverado 2500 HD ZR2
2024 Chevrolet Silverado 3500 HD High Country
2024 Chevrolet Silverado 3500 HD LT
2024 Chevrolet Silverado 3500 HD LTZ
2024 Chevrolet Silverado 3500 HD WT
2024 GMC Sierra 2500 HD AT4
2024 GMC Sierra 2500 HD AT4X
2024 GMC Sierra 2500 HD Denali
2024 GMC Sierra 2500 HD Denali Ultimate
2024 GMC Sierra 2500 HD Pro
2024 GMC Sierra 2500 HD SLE
2024 GMC Sierra 2500 HD SLT
2024 GMC Sierra 3500 HD AT4
2024 GMC Sierra 3500 HD Denali
2024 GMC Sierra 3500 HD Denali Ultimate
2024 GMC Sierra 3500 HD Pro
2024 GMC Sierra 3500 HD SLE
2024 GMC Sierra 3500 HD SLT
2025 Chevrolet Silverado 2500 HD Custom
2025 Chevrolet Silverado 2500 HD High Country
2025 Chevrolet Silverado 2500 HD LT
2025 Chevrolet Silverado 2500 HD LTZ
2025 Chevrolet Silverado 2500 HD WT
2025 Chevrolet Silverado 2500 HD ZR2
2025 Chevrolet Silverado 3500 HD High Country
2025 Chevrolet Silverado 3500 HD LT
2025 Chevrolet Silverado 3500 HD LTZ
2025 Chevrolet Silverado 3500 HD WT
2025 GMC Sierra 2500 HD AT4
2025 GMC Sierra 2500 HD AT4X
2025 GMC Sierra 2500 HD Denali
2025 GMC Sierra 2500 HD Denali Ultimate
2025 GMC Sierra 2500 HD Pro
2025 GMC Sierra 2500 HD SLE
2025 GMC Sierra 2500 HD SLT
2025 GMC Sierra 3500 HD AT4
2025 GMC Sierra 3500 HD Denali
2025 GMC Sierra 3500 HD Denali Ultimate
2025 GMC Sierra 3500 HD Pro
2025 GMC Sierra 3500 HD SLE
2025 GMC Sierra 3500 HD SLT
2026 Chevrolet Silverado 2500 HD Custom
2026 Chevrolet Silverado 2500 HD High Country
2026 Chevrolet Silverado 2500 HD LT
2026 Chevrolet Silverado 2500 HD LTZ
2026 Chevrolet Silverado 2500 HD WT
2026 Chevrolet Silverado 2500 HD ZR2
2026 Chevrolet Silverado 3500 HD High Country
2026 Chevrolet Silverado 3500 HD LT
2026 Chevrolet Silverado 3500 HD LTZ
2026 Chevrolet Silverado 3500 HD WT
2026 GMC Sierra 2500 HD AT4
2026 GMC Sierra 2500 HD AT4X
2026 GMC Sierra 2500 HD Denali
2026 GMC Sierra 2500 HD Denali Ultimate
2026 GMC Sierra 2500 HD Pro
2026 GMC Sierra 2500 HD SLE
2026 GMC Sierra 2500 HD SLT
2026 GMC Sierra 3500 HD AT4
2026 GMC Sierra 3500 HD Denali
2026 GMC Sierra 3500 HD Denali Ultimate
2026 GMC Sierra 3500 HD Pro
2026 GMC Sierra 3500 HD SLE
2026 GMC Sierra 3500 HD SLT

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1