Description
Advanced Suspension Technology. The Rancho RS5000X Front Shock for 1 to 2.50-Inch Lift enhances vehicle handling both on and off-road by utilizing a unique valving system combined with advanced compression capabilities. It improves shock responsiveness and overall ride quality, essential for maintaining control and comfort in lifted trucks.
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Construction and Appearance. This shock absorber features a durable 16mm nitro-carburized piston rod for corrosion resistance and toughness, a 35mm sintered iron piston to enhance structural integrity, and a twin-tube steel body coated in white paint for added durability and corrosion protection. It also includes a polyvinyl protective boot to protect against debris and environmental damage.
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Installation. Designed for straightforward installation with included mounting hardware, this shock does not require drilling, ensuring an efficient upgrade process suitable for both experienced DIYers and automotive professionals.
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Warranty. Backed by a limited lifetime warranty, this product offers confidence in its durability and long-term performance.
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Application. Specifically engineered to fit Chevrolet and GMC Sierra 3500 HD models from 2011 through 2026 with a 1.0 to 2.5-inch front lift. It is not compatible with setups using aftermarket shock spacers or relocation brackets.
Rancho RS55378
CA Residents: WARNING: Cancer and Reproductive Harm
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- Unique, Exclusive Valving System With Advanced Compression Functionality for Superior Performance
- Enhances Handling and Ride Quality On and Off Road
- Cross-Tuned Technology Featuring an Exclusive Rebound Valving System
- Progressive Engagement Valving Minimizes Rough Ride
- Custom-Tuned for Each Vehicle to Reduce Initial Impacts at Low Speeds
- Durable 16mm Nitro-Carburized Piston Rod for Corrosion Resistance and Strength
- Double-Welded Loops Reinforce Stress Areas
- 35mm Sintered Iron Piston Enhances Structural Integrity
- Includes Polyvinyl Protective Boot to Shield Against Debris
- Operates Effectively in Extreme Temperatures Ranging from -40 to 248°F
- Large Twin-Tube Body Filled with All-Weather Fluid for Cooler Operation
- Polyurethane Rebound Bumper and Rubber Bushings Absorb Ride Harshness
- Fluon-Banded Piston Increases Responsiveness to Changing Road Conditions
- Nitrogen Gas Pressurized to 150 PSI Reduces Damping Performance Fade and Foaming
- Compression Control Valve Custom-Tuned to Regulate Fluid Transfer per Vehicle Application
- Low-Friction, Self-Lubricating Seal Retains Gas and Oil for Quicker Rebound
- Application-Specific Piston Provides Enhanced Shock Motion Control
- Limited Lifetime Warranty Included
- Fits 2011-2026 Chevrolet and GMC Sierra 3500 HD; Not Compatible with Aftermarket Shock Spacers or Relocation Brackets
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| Brand | Rancho |
| Shock Type | Non-Adjustable |
| Shock Lift Height | 1 to 2.50-Inch Lift |






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