Description
High-Performance Suspension. The Rancho RS5000X RS55261 Suspension Shock Absorber enhances rear suspension handling and performance, both on and off-road. Its exclusive valving system and advanced compression provide a balanced ride that manages impacts effectively while maintaining vehicle control.
Construction and Appearance. Built for durability, this shock absorber features a 16mm nitro-carburized piston rod resistant to corrosion and scuffs, paired with a 35mm sintered iron piston for structural strength. The large twin-tube steel body has a painted white finish, complemented by a polyvinyl protective boot and rubber bushings that support smooth and durable operation.
Installation. Designed for straightforward installation with no drilling required, this shock absorber can be installed by an experienced technician or knowledgeable DIY enthusiast. Mounting hardware is not included, as installation requirements vary by vehicle.
Warranty. This product is backed by a limited lifetime warranty, ensuring long-term reliability and customer confidence.
Application. Specifically engineered to fit 2011 to 2016 four-wheel-drive Ford F-350 Super Duty Single Rear Wheel (SRW) trucks with a 2.0-inch rear lift height when equipped with Rancho suspension systems.
Rancho RS55261
CA Residents: WARNING: Cancer and Reproductive Harm
- Features a unique valving system with advanced compression functionality for improved handling and performance on and off-road
- Employs Cross Tuned technology with exclusive rebound valving and optimized compression phase
- Minimizes rough ride using progressive engagement valving custom-tuned for the vehicle
- Durable 16mm nitro-carburized piston rod resists scuffs and corrosion
- Double-welded loops at stress points and 35mm sintered iron piston enhance structural integrity
- Includes polyvinyl protective boot
- Handles temperature extremes from -40°F to 248°F with a large twin-tube body and all-weather fluid
- Provides smooth performance aided by polyurethane rebound bumper, rubber bushings, and a Fluon-banded piston
- Reduces fade with nitrogen gas pressurized to 150 PSI to minimize air-to-oil mixture
- Maintains vehicle control through a customized compression control valve
- Built with low-friction, self-lubricating seals and application-specific piston for longevity
- Comes with a limited lifetime warranty
- Fits 2011-2016 4WD Ford F-350 Super Duty Single Rear Wheel (SRW) models
| Brand | Rancho |
| Shock Type | Non-Adjustable |
| Shock Lift Height | 0-Inch Lift |






Reviews
There are no reviews yet.