| Year | Make | Model | Engine |
|---|---|---|---|
| 2013-2016 | Chevrolet | Silverado 2500 HD | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated |
| 2018-2019 | Chevrolet | Silverado 2500 HD | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated |
| 2011-2019 | Chevrolet | Silverado 2500 HD | 6.0L 5967CC 364Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2011-2019 | Chevrolet | Silverado 2500 HD | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated |
| 2021-2022 | Chevrolet | Silverado 2500 HD | 6.6L 6571CC 401Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2025 | Chevrolet | Silverado 2500 HD | 6.6L 6571CC 401Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2020-2022 | Chevrolet | Silverado 2500 HD | 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated |
| 2025 | Chevrolet | Silverado 2500 HD | 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated |
| 2011-2022 | Chevrolet | Silverado 2500 HD | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged |
| 2025 | Chevrolet | Silverado 2500 HD | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged |
| 2015-2016 | Chevrolet | Silverado 3500 HD | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated |
| 2019 | Chevrolet | Silverado 3500 HD | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated |
| 2011-2019 | Chevrolet | Silverado 3500 HD | 6.0L 5967CC 364Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2011-2019 | Chevrolet | Silverado 3500 HD | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated |
| 2021-2022 | Chevrolet | Silverado 3500 HD | 6.6L 6571CC 401Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2025 | Chevrolet | Silverado 3500 HD | 6.6L 6571CC 401Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2020-2022 | Chevrolet | Silverado 3500 HD | 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated |
| 2025 | Chevrolet | Silverado 3500 HD | 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated |
| 2011-2022 | Chevrolet | Silverado 3500 HD | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged |
| 2025 | Chevrolet | Silverado 3500 HD | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged |
| 2013-2016 | GMC | Sierra 2500 HD | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated |
| 2019 | GMC | Sierra 2500 HD | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated |
| 2011-2019 | GMC | Sierra 2500 HD | 6.0L 5967CC 364Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2011-2019 | GMC | Sierra 2500 HD | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated |
| 2021-2022 | GMC | Sierra 2500 HD | 6.6L 6571CC 401Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2025 | GMC | Sierra 2500 HD | 6.6L 6571CC 401Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2020-2022 | GMC | Sierra 2500 HD | 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated |
| 2025 | GMC | Sierra 2500 HD | 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated |
| 2011-2022 | GMC | Sierra 2500 HD | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged |
| 2025 | GMC | Sierra 2500 HD | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged |
| 2015-2016 | GMC | Sierra 3500 HD | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated |
| 2019 | GMC | Sierra 3500 HD | 6.0L 5967CC 364Cu. In. V8 CNG OHV Naturally Aspirated |
| 2011-2019 | GMC | Sierra 3500 HD | 6.0L 5967CC 364Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2011-2019 | GMC | Sierra 3500 HD | 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated |
| 2021-2022 | GMC | Sierra 3500 HD | 6.6L 6571CC 401Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2025 | GMC | Sierra 3500 HD | 6.6L 6571CC 401Cu. In. V8 FLEX OHV Naturally Aspirated |
| 2020-2022 | GMC | Sierra 3500 HD | 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated |
| 2025 | GMC | Sierra 3500 HD | 6.6L 6571CC 401Cu. In. V8 GAS OHV Naturally Aspirated |
| 2011-2022 | GMC | Sierra 3500 HD | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged |
| 2025 | GMC | Sierra 3500 HD | 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged |
▶ Suspension Drop / Lift Rates
| Part Number | Lift/Lowered | Position | Item | Quantity |
|---|---|---|---|---|
| 987-24-035 | 4-6" Lift | Rear | Shock Absorber | 2 |
FOX 2.5 Perf Series HTO Shocks Rear Pair w/4-6" lift - 2011-2024 GMC Sierra 2500 HD
FOX 2.5 Perf Series HTO Shocks Rear Pair w/4-6" lift - 2011-2024 GMC Sierra 2500 HD
SKU:10587618574623_52811821711647
In stock
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▶ Vehicle Fitments
▶ Suspension Drop / Lift Rates
| Part Number | Lift/Lowered | Position | Item | Quantity |
|---|---|---|---|---|
| 987-24-035 | 4-6" Lift | Rear | Shock Absorber | 2 |
The FOX 2.5 Performance Series HTO Shocks Rear Pair are high-performance, bolt-on shocks designed for 2011-2024 GMC Sierra 2500 HD trucks with 4-6 inch lift kits. Featuring vehicle-specific valving, larger pistons, and position-sensitive technology, these shocks enhance both on-road comfort and off-road capability. The 2.5-inch shock bodies are constructed from Type II anodized aluminum, which efficiently dissipates heat and resists corrosion, while internal floating pistons (IFP) optimize damping by separating shock oil from high-pressure nitrogen. This setup ensures improved ride quality, durability, and performance in demanding conditions, making them ideal for lifted trucks requiring reliable suspension upgrades.
Designed specifically for 2011-2024 GMC Sierra 2500 HD models with 4-6 inch lifts, these shocks are a direct bolt-on replacement for rear suspension components. They include all necessary hardware such as washers, bushings, and nuts for installation. The package contains two shocks, and Fox’s limited one-year warranty provides added assurance against defects or premature failure. Suitable for off-road, towing, or heavy-duty use, these shocks deliver enhanced stability, control, and durability, making them a versatile choice for lifted trucks seeking improved suspension performance.
| Part Number | Lift/Lowered | Position | Item | Quantity |
|---|---|---|---|---|
| 987-24-035 | 4-6" Lift | Rear | Shock Absorber | 2 |
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Overview
Overview
The FOX 2.5 Performance Series HTO Shocks Rear Pair are high-performance, bolt-on shocks designed for 2011-2024 GMC Sierra 2500 HD trucks with 4-6 inch lift kits. Featuring vehicle-specific valving, larger pistons, and position-sensitive technology, these shocks enhance both on-road comfort and off-road capability. The 2.5-inch shock bodies are constructed from Type II anodized aluminum, which efficiently dissipates heat and resists corrosion, while internal floating pistons (IFP) optimize damping by separating shock oil from high-pressure nitrogen. This setup ensures improved ride quality, durability, and performance in demanding conditions, making them ideal for lifted trucks requiring reliable suspension upgrades.
Designed specifically for 2011-2024 GMC Sierra 2500 HD models with 4-6 inch lifts, these shocks are a direct bolt-on replacement for rear suspension components. They include all necessary hardware such as washers, bushings, and nuts for installation. The package contains two shocks, and Fox’s limited one-year warranty provides added assurance against defects or premature failure. Suitable for off-road, towing, or heavy-duty use, these shocks deliver enhanced stability, control, and durability, making them a versatile choice for lifted trucks seeking improved suspension performance.
| Part Number | Lift/Lowered | Position | Item | Quantity |
|---|---|---|---|---|
| 987-24-035 | 4-6" Lift | Rear | Shock Absorber | 2 |