Rancho Suspension Shock Absorber P/N:RS55272

Smooth out the ride and sharpen control on and off the pavement with the Rancho RS5000X Suspension Shock Absorber (RS55272). It installs as a direct-fit front replacement for the 2000-2005 Ford Excursion, 1999-2025 Ford F-250 Super Duty, and 1999-2025 Ford F-350 Super Duty. At its heart is Rancho's exclusive Cross Tuned technology, pairing a rebound valving system with an advanced compression phase to improve overall handling and performance on and off road.

• Minimizes rough ride: Exclusive Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds.
• Strong and durable: 16mm nitro-carburized piston rod resists scuffs and corrosion, with double-welded loops at stress areas, a 35mm sintered iron piston, and a polyvinyl protective boot.
• Handles temperature swings: Large twin-tube body filled with all-weather fluid runs cooler and withstands internal temperatures of -40 to 248°F.
• Reduces fade: Nitrogen gas pressurized to 150 PSI helps minimize air-to-oil mixing to reduce damping fade and foaming.

A polyurethane rebound bumper, rubber bushings, and a fluon-banded piston help absorb harshness for a smoother ride, while a Compression Control Valve regulates fluid transfer to maintain motion control. Backed by Rancho's Limited Lifetime Warranty. Sold individually; replacing both sides on an axle as a matched pair is recommended for balanced ride control.