FOX 2.5 Performance Elite Rear Shocks – DSC – 4–6 in. Lift | Ford Super Duty 4WD (2017–2026) (883-26-100)

Part #: 883-26-100

Overview

The FOX 883-26-100 2.5 Performance Elite Series rear shock is designed for the 2017–2026 Ford Super Duty. It controls suspension movement in the lift configuration listed below, helping the truck stay composed on uneven roads and off-road surfaces.

The external reservoir adds fluid capacity for repeated suspension movement, and Dual Speed Compression adjustment lets you tune low- and high-speed compression for the load and terrain. Vehicle-specific valving supports everyday driving, hauling, and off-road use.

Key Features

• 2.5-inch smooth-body reservoir shock.
• Valving developed for the listed vehicle application.
• Independent high- and low-speed compression adjustment with DSC.
• External reservoir increases oil and nitrogen capacity.
• Shock stroke: 13.58 inches.

Construction & Design

2.5" impact extruded and CNC machined 6061-T6 hard anodized aluminum body resists rust over time.

7/8" hard chrome plated heat-treated alloy steel.

The seal system combines a main seal, wiper, and scraper to protect the working components.

• Extended shock length: 34.93 inches.
• Compressed shock length: 21.35 inches.
• Shock stroke: 13.58 inches.
• Upper mount: Eyelet.
• Lower mount: Eyelet.

Installation & Fitment

• Install in the rear shock locations using the mount types listed below. This shock does not raise vehicle ride height; the existing springs and lift components determine the stance.
• Use the rear lift height when selecting a rear shock; a lift kit’s advertised front height may differ from its rear height.

What’s Included

One pair of rear shocks.

Vehicle Fitment