FOX is a world leader in high-performance suspension systems, renowned for engineering that transforms how vehicles handle the toughest terrain. Rooted in decades of motorsport dominance, FOX brings its racing heritage to the automotive sector with a relentless drive for precision, control, and durability. From desert racing to daily driving, their suspension technology is designed to meet the demands of enthusiasts, professionals, and manufacturers alike. FOX automotive products are more than just components, they are the result of rigorous testing, advanced materials, and a deep understanding of how vehicles interact with the road and beyond. By working closely with OEMs and elite racing teams, FOX delivers solutions that balance comfort with capability, ensuring peak performance whether on the highway, in the dunes, or across rock-strewn trails.
The Performance Series 2.0 IFP smooth Body 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.
The precision metal impact aluminum Body increases cooling capacity and will never rust. Inside you will find our race-proven performance Valving technology. Our Internal Floating Piston (IFP) mono-tube design separates the shock oil from the high-pressure, nitrogen-charged gas chamber.
The IFP eliminates oil aeration allowing maximum performance from the factory-tuned precision Valving.
The race developed high flow damping Piston matched with application specific Valving provides the Performance Series 2.0 IFP shock a predicable ride quality capable of handling the roughest road conditions.
Part Number
985-24-240
Features
Performance Tuned For Vehicle Specific Application, Aluminum Body Dissipates Heat Faster Than Steel, IFP Separates Oil From High-Pressure Nitrogen Gas, Black Anodized CNC Machined Aluminum Components
- Series Performance
- Travel 5.62
- Front Lift Height 1.5-2.5
- Body 2.0 Inch Impact extruded and CNC machined 6061-T6 clear anodized aluminum one-piece Body resists rust over time
- Body Plating Clear-anodized for a durable finish
- Components Black-anodized, CNC-machined 6061-T6 billet aluminum
- Shaft 5/8 Inch hard chrome plated heat-treated alloy steel
- Piston Race-developed high-flow Piston design
- Valving Application specific Valving to maximize performance
- Seals Redundant sealing pack system main seal, wiper seal, scraper seal
- Extended Length 18.89
- Compressed Length 13.28
- Top Mount BP5
- Bottom Mount Clevis
- Fitment Notes Requires Upper Control Arm
Installation Notes:
Professional installation is recommended.
Specifications:
Lift Height: 1.5-2.5 Inch.
Material: Aluminum.
Sold As: Each.
Universal: No.
Shock Type: Smooth Body.
Collapsed Length: 13.28.
Extended Length: 18.89.
Shock Mount: BP5/Clevis.
Series: Performance Series 2.0.
Reservoir Type: Internal Floating Piston (IFP).
Travel Length: 5.62.
Location: Front.
Fitment & Application:
- 2025 GMC Sierra 3500 HD Pro
- 2025 GMC Sierra 3500 HD Denali Ultimate
- 2025 GMC Sierra 3500 HD AT4/Denali/SLE/SLT
- 2025 GMC Sierra 2500 HD Pro
- 2025 GMC Sierra 2500 HD AT4X/Denali Ultimate
- 2025 GMC Sierra 2500 HD AT4/Denali/SLE/SLT
- 2025 Chevrolet Silverado 3500 HD High Country/LT/LTZ/WT
- 2025 Chevrolet Silverado 2500 HD ZR2
- 2025 Chevrolet Silverado 2500 HD Custom/High Country/LT/LTZ/WT
- 2024 GMC Sierra 3500 HD Pro
- 2024 GMC Sierra 3500 HD Denali Ultimate
- 2024 GMC Sierra 3500 HD AT4/Denali/SLE/SLT
- 2024 GMC Sierra 2500 HD Pro
- 2024 GMC Sierra 2500 HD AT4X/Denali Ultimate
- 2024 GMC Sierra 2500 HD AT4/Denali/SLE/SLT
- 2024 Chevrolet Silverado 3500 HD High Country/LT/LTZ/WT
- 2024 Chevrolet Silverado 2500 HD ZR2
- 2024 Chevrolet Silverado 2500 HD Custom/High Country/LT/LTZ/WT
- 2023 GMC Sierra 3500 HD Pro
- 2023 GMC Sierra 3500 HD AT4/Denali/SLE/SLT
- 2023 GMC Sierra 2500 HD Pro
- 2023 GMC Sierra 2500 HD AT4/Denali/SLE/SLT
- 2023 Chevrolet Silverado 3500 HD High Country/LT/LTZ/WT
- 2023 Chevrolet Silverado 2500 HD Custom/High Country/LT/LTZ/WT
- 2022 GMC Sierra 3500 HD Pro
- 2022 GMC Sierra 3500 HD AT4/Denali/SLE/SLT
- 2022 GMC Sierra 2500 HD Pro
- 2022 GMC Sierra 2500 HD AT4/Denali/SLE/SLT
- 2022 Chevrolet Silverado 3500 HD High Country/LT/LTZ/WT
- 2022 Chevrolet Silverado 2500 HD Custom/High Country/LT/LTZ/WT
- 2021 GMC Sierra 3500 HD AT4/Denali/SLE/SLT
- 2021 GMC Sierra 3500 HD
- 2021 GMC Sierra 2500 HD AT4/Denali/SLE/SLT
- 2021 GMC Sierra 2500 HD
- 2021 Chevrolet Silverado 3500 HD High Country/LT/LTZ/WT
- 2021 Chevrolet Silverado 2500 HD Custom/High Country/LT/LTZ/WT
- 2020 GMC Sierra 3500 HD AT4/Denali/SLE/SLT
- 2020 GMC Sierra 3500 HD
- 2020 GMC Sierra 2500 HD AT4/Denali/SLE/SLT
- 2020 GMC Sierra 2500 HD
- 2020 Chevrolet Silverado 3500 HD High Country/LT/LTZ/WT
- 2020 Chevrolet Silverado 2500 HD Custom/High Country/LT/LTZ/WT
| Fitment Position | Front |
|---|---|
| Brand | Fox |
| Part Number | FOX-98524240 |
| Shipping Method | UPS/FedEx/USPS Ground |
| California Prop 65 Warning |
|

This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or reproductive harm. For more information, visit https://www.p65warnings.ca.gov/