Rancho RS5000X Rear Shock Absorber RS55297 for Select 1999-2018 Chevrolet, GMC, Dodge & Hummer

Fits select 1999-2018 Chevrolet Silverado and Avalanche, GMC Sierra, Dodge Ram 1500, and Hummer H2.

The Rancho RS5000X RS55297 shock absorber utilizes exclusive Cross Tuned technology and a Progressive Engagement Valving (PEV) system to provide a custom-tuned ride for trucks and SUVs. Designed to reduce initial impact at low speeds while maintaining control during aggressive maneuvers, this twin-tube shock is engineered to perform reliably both on and off-road.

• Advanced Valving: Progressive Engagement Valving is custom-tuned for each application to minimize rough rides and maintain motion control without disc flutter.
• Durable Construction: Features a 16mm nitro-carburized piston rod for superior scuff and corrosion resistance, plus double-welded loops at stress areas.
• Performance Internals: A 35mm sintered iron piston and fluon-banded seal enhance responsiveness and structural integrity.
• Fade Resistance: Nitrogen gas pressurized to 150 PSI minimizes air-to-oil mixture to reduce foaming and damping performance fade.
• Thermal Stability: Large twin-tube body filled with all-weather fluid withstands internal temperatures from -40°F to 248°F.
• Includes: Polyvinyl protective boot and rubber bushings to help absorb ride harshness.
• Part Number: RS55297