

Fox 2014-2026 Ram 2500 4-5in Lift Rear 2.5 Perf. Series IFP HTO Shock
2014–2026 Ram 2500 4WD Rear Fox 2.5 Performance Series HTO Shock (4–5” Lift)
Take your suspension performance to the next level with the FOX 2.5 Performance Series HTO Shock. Designed as a direct bolt-on upgrade, this shock features advanced position-sensitive technology, vehicle-specific valving, and a larger piston design to deliver superior control both on and off the road. Built for drivers pushing beyond factory limits, it improves ride quality, handling, and overall damping performance in demanding conditions.
Key Features
- 2.5-inch impact extruded 6061-T6 aluminum shock body
- Type II clear-anodized body plating for corrosion resistance
- High-flow velocity-sensitive damping
- 5/8-inch hard chrome shaft for strength and durability
- Internal Floating Piston (IFP) design for consistent performance
- Hydraulic Top-Out (HTO) piston for position-sensitive rebound control
- Direct bolt-on installation with no modification required
Performance Benefits
- Position-Sensitive Damping: HTO technology adds controlled rebound near full extension, reducing harsh top-outs
- Improved Ride Comfort: Smoother transitions and better control over rough terrain and pavement
- Enhanced Stability: Increased damping capacity for better handling with larger tires or lifted applications
- Fade Resistance: Larger oil volume helps maintain performance under heavy use
Specifications
- Series: Performance
- Shock Type: Monotube
- Body Diameter: 2.5-inch
- Body Material: 6061-T6 Aluminum
- Finish: Type II clear anodized
- Shaft Diameter: 5/8-inch hard chrome
- Internal Design: Internal Floating Piston (IFP)
- Top-Out Control: Hydraulic Top-Out (HTO) piston
- Damping: High-flow velocity-sensitive
- Travel: 10.36 inches
- Extended Length: 28.89 inches
- Compressed Length: 18.53 inches
- Top Mount: Stem
- Bottom Mount: Eyelet
Fitment
- 2014–2026 Ram 2500 (4WD)
- Position: Rear
- Lift Range: Designed for 4"–5" lift applications
2014 Models:
- Big Horn
- Laramie
- Laramie Limited
2015–2026 Models:
- All trim levels
Installation
- Install Time: Approximately 1–2 hours
- Difficulty Level: Easy to Moderate
- Mounting: Direct bolt-on replacement
- Hardware: Reuses factory mounting hardware unless otherwise specified
Installation Notes
- Designed specifically for lifted applications (4"–5")
- HTO technology helps control rebound on heavier tire setups
- Always torque all hardware to manufacturer specifications
- Installing shocks in pairs is strongly recommended for balanced performance
What’s Included
- (1) FOX 2.5 Performance Series HTO Shock

Fox 2014-2026 Ram 2500 4-5in Lift Rear 2.5 Perf. Series IFP HTO Shock
Sale price$492.00
