Rancho RS55261 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)

Features

• Rear shock absorber from Rancho RS5000X performance series
• Cross-Tuned rebound and compression valving for balanced damping
• Progressive Engagement Valving minimizes harsh low-speed impacts
• Gas-charged twin-tube design for consistent control on varied terrain
• 16 mm nitro-carburized piston rod for corrosion resistance
• Protective shock boot included to guard rod and seal
• Rubber bushings for vibration and noise reduction
• Large piston promotes stable performance under load

Specifications

• Position: Rear
• Series: RS5000X
• Compressed length: ~19.5" (495 mm)
• Extended length: ~32.46" (824 mm)
• Shock travel: ~12.96" (329 mm)
• Design: Gas-charged, non-adjustable twin-tube
• Upper mount: Loop eyelet
• Lower mount: Loop eyelet/sleeve

Included Components

• 1x Rancho RS55261 Rear RS5000X Shock Absorber
• 1x Protective dust boot
• 1x Set of rubber bushings (upper & lower)

Product Description

The Rancho RS55261 is a rear-position performance shock from the RS5000X series engineered for 1999-2016 Ford F-250 and F-350 Super Duty 4x4 trucks. Designed with a gas-charged twin-tube internal build, this shock delivers consistent damping performance with enhanced control over bumps and rough terrain. Rancho's Cross-Tuned valving and Progressive Engagement technology help minimize harsh impacts at low speeds while maintaining overall stability, making it suitable for everyday driving, towing, hauling, and light off-road use.

With a durable nitro-carburized piston rod and robust construction, the RS55261 prioritizes longevity and dependable performance. Protective boots and rubber bushings help reduce noise, vibration, and exposure to debris. Whether replacing worn factory shocks or upgrading your truck's suspension for improved ride quality, this RS5000X shock installs easily using factory mounting points and provides a reliable balance of comfort and control across a wide range of conditions.