Rancho RS5000X Front Shock Absorber for Select 1995-2011 Ford, Mazda, and Mercury (RS55229)

Fits select 1995-2011 Ford Explorer (including Sport and Sport Trac), Ranger, Mercury Mountaineer, and Mazda B-Series pickups (B2500, B3000, B4000).

The Rancho RS5000X (MPN: RS55229) is a performance-oriented twin-tube shock absorber designed to improve handling both on and off-road. Using exclusive Progressive Engagement Valving (PEV), this shock is custom-tuned to reduce initial impacts at low speeds while maintaining control during aggressive maneuvers. The larger twin-tube body is filled with all-weather fluid to ensure consistent damping in extreme temperatures ranging from -40 to 248°F.

• Durable Construction: Features a 16mm nitro-carburized piston rod to resist scuffs and corrosion, along with double-welded loops at critical stress points.
• Advanced Valving: Cross Tuned technology provides a unique rebound valving system and advanced compression phase for superior vehicle control.
• Minimized Fade: Pressurized with nitrogen gas to 150 PSI to reduce air-to-oil foaming and performance fade.
• Robust Internals: Equipped with a 35mm sintered iron piston for structural integrity and a fluon-banded piston for enhanced responsiveness.
• Ride Comfort: Includes a polyurethane rebound bumper and rubber bushings to absorb road harshness and vibrations.
• Protection: Comes standard with a polyvinyl protective boot to shield the piston rod and oil seal from debris.