Installation Time
(approx) 45 Minutes
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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FOX Performance Series 2.0 Front Coil-Over IFP Shock for Stock Height
(19-26 Sierra 1500 AT4
Item S522099
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Bolt-On Performance Series Coil-Over IFP Shock With Advanced Technology And Extensive Features
- Precision Metal Impact Extruded Aluminum Body Offering Increased Cooling Capacity And Rust Resistance
- Vehicle-Specific Upper Mount Featuring Composite Bushing To Isolate Noise And Vibration
- Locking Spring Preload Rings For Easy Ride Height And Preload Adjustment
- Top Quality Racing Coil Spring Selected To Deliver Optimal Spring Rate
- Designed To Level The Truck Front-To-Rear Without Modifications
- Internal Reservoir With Internal Floating Piston Mono-Tube Design Separates Shock Oil From Nitrogen-Charged Gas Chamber
- IFP Eliminates Oil Aeration For Maximum Performance With Factory-Tuned Precision Valving
- Provides Comfortable On-Road Ride And Predictable Off-Road Handling Under Tough Conditions
- Fits 2019-2026 Sierra 1500 AT4 Models Excluding AT4X Variants
- Fitment Note; Due to AT4 Models being Leveled from the Factory, these Coil-Overs do NOT Provide Additional Lift
Description
Superior Suspension Upgrade. The FOX Performance Series 4.9in. IFP Coilover enhances vehicle suspension by delivering advanced damping capabilities designed for both on-road comfort and off-road responsiveness. It replaces stock shock absorbers, ensuring improved control, ride quality, and durability in demanding conditions.
Construction and Appearance. Crafted from 2.0-inch impact-extruded and CNC-machined 6061-T6 anodized aluminum, the shock body features a clear anodized finish that provides superior corrosion resistance and durability. The assembly includes black-anodized billet aluminum components and a 5/8-inch hard chrome-plated, heat-treated alloy steel shaft, combining performance-focused design with a refined appearance.
Installation. This coilover shock is designed for straightforward bolt-on installation with no drilling or modifications required. It fits vehicles with 0-2 inch lift heights and includes vehicle-specific upper mounts to ensure proper fitment and easy setup.
Warranty. This product includes a comprehensive warranty covering manufacturing defects to ensure long-term reliability and customer confidence.
Application. Specifically fitted for 2019-2026 GMC Sierra 1500 AT4 models, excluding AT4X variants; AT4 models accommodate only 0-inch lift setups.
FOX 985-02-134
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Install Details & What's in the Box
Installation Info
What's in the Box
- (1) Front Coil-Over IFP Shock
Tech Specs
4.5
Customer Reviews (50)
Questions & Answers
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Will It Fit My Sierra 1500
- 3.0L I6 Duramax - 20, 21, 22, 23, 24, 25, 26
- 5.3L V8 - 19, 20, 21
- 6.2L V8 - 19, 20, 21, 22, 23, 24, 25, 26
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