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The Rancho RS5000X rear shock for 1999–2004 Ford F-250 Super Duty improves handling and ride control with an exclusive valving system and tuned compression characteristics. Low-friction seals and a larger piston area promote quicker rebound and smoother compression. Robust features—nitro-carburized piston rod, twin-tube all-weather fluid design and nitrogen pressurization—help resist damping fade and maintain consistent shock motion under heavy-duty conditions.
Rancho 99-04 Ford Pickup / F250 Series Super Duty Rear RS5000X Shock
