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FOX 2.5 Performance Smooth Body HTO 0-1.5″ Rear Lift IFP Shocks for 2014-2025 Ram 3500 4WD
Description
FOX 2.5 Performance Smooth Body HTO 0-1.5″ Rear Lift IFP Shocks for 2014-2025 Ram 3500 4WD
FOX 2.5 Performance Smooth Body HTO 0-1.5 inches Rear Lift IFP Shocks for 2014-2025 Ram 3500 4WD
Part Number: 987-24-005
Summary: The FOX 2.5 Performance Series HTO shocks are engineered to provide position-sensitive damping for the Ram 3500 4WD. This bolt-on solution addresses harsh top-outs and improves damping capacity through larger pistons and vehicle-specific valving. By utilizing an Internal Floating Piston (IFP) and Hydraulic Top Out (HTO) technology, these shocks deliver consistent performance and increased comfort across both on and off-road environments.
Features
- Hydraulic Top Out (HTO): A secondary shim stack provides position-sensitive rebound damping control to slow down shock shaft speed and reduce harsh top-outs.
- Internal Floating Piston (IFP): This internal design separates the shock oil from the high-pressure nitrogen to optimize damping and prevent aeration.
- Aluminum Body: A 2.5-inch 6061-T6 impact extruded aluminum body with Type II clear-anodized plating provides efficient heat dissipation and corrosion resistance.
- High-Flow Velocity-Sensitive Damping: Vehicle-specific valving and larger pistons provide improved performance to ensure a controlled ride on and off the pavement.
Technical Specifications
| Specification | Value |
|---|---|
| Series | Performance Series HTO |
| Position | Rear |
| Collapsed Length | 15.84 |
| Extended Length | 24.7 |
| Travel | 8.86 |
| Upper Mount | Eyelet |
| Lower Mount | Stem |
| Notes | Lift: 0-1.5 inches |
Fitment
- 2014-2025 Ram 3500
- Note: Configured for 0-1.5 inches of rear lift. Fits 4WD models only.
What’s Included
- Includes 2 Shocks
Why Choose This Product?
- Engineering Advantage: The integration of position-sensitive Hydraulic Top Out (HTO) technology specifically manages rebound energy, which is critical when running heavier, aggressive tires.
- Performance Benefit: Drivers experience increased damping capacity and a significant reduction in harsh suspension movements, resulting in a more comfortable and controlled ride.
Frequently Asked Questions
What is the benefit of Hydraulic Top Out (HTO) technology?
HTO technology utilizes a secondary shim stack to provide position-sensitive rebound damping, which reduces harsh top-outs and increases comfort by slowing the shock shaft speed near full extension.
How does the Internal Floating Piston (IFP) improve performance?
The IFP separates the shock oil from the high-pressure nitrogen gas, which prevents oil aeration and allows for consistent, optimized damping performance.
Are these shocks compatible with lifted trucks?
Yes, these shocks are specifically configured for Ram 3500 4WD models with 0 to 1.5 inches of rear lift.
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Questions and answers of the customers
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Will these fit my 2026 Ram 3500 single wheel with air ride assist, Truck is stock no current lift on truck just looking to replace OEM shocks for a better-quality ride.
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0 votesQ Will these fit my 2026 Ram 3500 single wheel with air ride assist, Truck is stock no current lift...... Read moreA Unfortunately will not fit





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