Rancho RS55254 Rear RS5000X Shock for 99-16 Ford F-250/F-350 4x4

Vehicle Fitment

• 1999-2016 Ford F-250 Super Duty 4x4 (Rear)
• 1999-2016 Ford F-350 Super Duty 4x4 (Rear)
• With 0-2.5" rear lift or stock ride height on compatible setups

Features

• Rear shock absorber from Rancho RS5000X performance series
• Gas-charged design for improved damping consistency
• Twin-tube construction with valving tuned for Super Duty loads
• Progressive Engagement Valving to reduce harsh impacts
• Tuned Compression Control Valve enhances stability
• 16 mm nitro-carburized piston rod resists corrosion
• Protective dust boot included to shield internal components
• Rubber bushings reduce vibration and noise

Specifications

• Position: Rear
• Series: RS5000X
• Compressed Length: 18.26" (approx.)
• Extended Length: 30.83" (approx.)
• Travel: ~12.57"
• Design: Gas-charged, twin-tube shock
• Upper/Lower Mount: Loop/eyelet style
• Recommended for 4x4 Super Duty with light rear lift or stock height

Included Components

• 1x Rancho RS55254 Rear RS5000X Shock Absorber
• 1x Protective dust boot
• 1x Set of rubber bushings (upper & lower)

Product Description

The Rancho RS55254 is a rear-position performance shock absorber from the RS5000X series designed specifically for 1999-2016 Ford F-250 and F-350 Super Duty 4x4 trucks. Featuring a gas-charged twin-tube internal design with Progressive Engagement Valving and a tuned compression control valve, this shock helps provide improved damping consistency and stability under load, whether on pavement or light off-road terrain.

With an extended length of approximately 30.83" and a compressed length around 18.26", the RS55254 delivers a wide travel range suitable for rear suspension applications with up to about 2.5" of lift or stock ride height on compatible setups. Durable construction includes a nitro-carburized piston rod, protective dust boot, and rubber bushings to reduce vibration and enhance longevity. This shock is ideal for Super Duty owners looking for a reliable performance rear shock replacement or upgrade to handle towing, hauling, and daily driving duties.