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