Rancho RS5000X Front Shock Absorber for Select 1985-1997 Ford F-250 and F-350 - RS55165

Fits select 1985-1997 Ford F-250 and F-350 (including HD models).

The Rancho RS5000X series shock absorber utilizes advanced Cross Tuned technology to provide a high level of control and comfort for your Ford truck. Engineered with a unique rebound valving system and a sophisticated compression phase, this twin-tube shock handles both highway miles and off-road terrain with equal precision. The internal Progressive Engagement Valving is custom-tuned for these specific Ford applications to minimize initial impacts at low speeds while maintaining firm control during aggressive maneuvers.

• Robust Construction: Features a 16mm nitro-carburized piston rod for superior scuff and corrosion resistance, paired with a 35mm sintered iron piston for structural integrity.
• Temperature Resistance: Filled with all-weather fluid capable of withstanding internal temperatures from -40°F to 248°F for consistent performance in any climate.
• Reduced Fade: Pressurized with nitrogen gas to 150 PSI to minimize air-to-oil foaming and maintain damping performance under heavy use.
• Enhanced Sealing: Low-friction, self-lubricating seals retain gas and oil for quicker rebound and smoother compression cycles.
• Refined Ride: Polyurethane rebound bumpers and rubber bushings help isolate road harshness and vibration.
• Part Number: RS55165