Rancho RS5000X Rear Shock Absorber RS55112 for Select 1966-2002 Chevy GMC Ford Dodge (5.9L)

Fits select 1966-2002 Chevrolet, GMC, Ford, Dodge, and Toyota trucks and SUVs, including Blazer, K10/K20, Ram 1500, Expedition, and F-150 (5.9L).

The Rancho RS5000X RS55112 rear shock absorber is engineered for drivers who demand consistent performance both on and off-road. Utilizing Cross Tuned technology and a unique Progressive Engagement Valving system, this twin-tube shock minimizes the harshness of initial impacts at low speeds while maintaining firm control during high-speed compression. The nitrogen gas charge is pressurized to 150 PSI to reduce aeration and oil foaming, ensuring consistent damping performance even during heavy-duty use.

• Robust Construction: Features a 16mm nitro-carburized piston rod for superior scuff and corrosion resistance.
• Heavy-Duty Piston: 35mm sintered iron piston provides enhanced structural integrity and application-specific tuning.
• Temperature Resilience: Large twin-tube body filled with all-weather fluid rated for temperatures from -40 to 248°F.
• Durability Features: Double-welded loops at high-stress points and a polyvinyl protective boot to shield the rod and seal.
• Smooth Operation: Fluon-banded piston and polyurethane rebound bumper help absorb ride harshness and improve responsiveness.
• Manufacturer Part Number: RS55112
• Warranty: Rancho Limited Lifetime Warranty