1. Introduction
SuperSprings SumoSprings are a patented suspension product engineered to enhance vehicle performance. They are designed to improve load carrying capability, stabilize sway, and contribute to overall driver control and ride comfort. Constructed from proprietary closed micro-cellular urethane, SumoSprings offer a smooth and progressive spring rate with superior damping properties. They are a maintenance-free solution, requiring no air lines or compressors.
2. Vehicle Compatibility
These SumoSprings (Model SSR-121-47) are specifically designed for the following vehicles:
- Ford Transit 150
- Ford Transit 250
- Ford Transit 350
- Ford Transit 350HD
Applicable Model Years:
- 2015-2025 RWD (Rear-Wheel Drive) models
- 2020-2025 4WD (Four-Wheel Drive) models
3. Package Contents
Each SuperSprings Rear SumoSprings package typically includes:
- Two (2) SumoSprings
- Necessary mounting hardware (bolts, washers, spacers)
4. Installation
The installation of SumoSprings is designed to be straightforward. It is recommended to have basic mechanical knowledge and tools. Always prioritize safety during installation.
4.1. Safety Precautions
- Perform installation on a level, stable surface.
- Use appropriate lifting equipment (e.g., hydraulic jack) and secure the vehicle with jack stands.
- Ensure the vehicle is in park with the parking brake engaged.
- Wear appropriate personal protective equipment (e.g., safety glasses, gloves).
4.2. Required Tools
- Ratchet
- 13mm Socket
- 17mm Socket
- Socket Extension (approximately 6-7 inches)
- Loctite (threadlocker)
4.3. Step-by-Step Installation Guide
- Prepare Vehicle: On level ground, raise the rear of the vehicle using a jack until the axles hang freely. Secure the vehicle with jack stands.
- Remove Factory Bump Stop: Locate the original factory bump stop. Grip it firmly, twist, and pull to remove it from its mounting position.
- Remove Bump Stop Cup: Use a ratchet with a 13mm socket to remove the bump stop cup.
- Prepare SumoSpring: Insert the provided bolt and washer through the center of the new SumoSpring.
- Add Spacers (if needed): Place any necessary 4-inch washers and spacers onto the bolt as determined for your specific installation requirements.
- Apply Loctite: Apply Loctite (threadlocker) to the threads of the bolt.
- Install SumoSpring: Thread the prepared SumoSpring assembly into the same hole in the vehicle frame from which the original bump stop was removed.
- Tighten Bolt: Using a 17mm socket with an extension, tighten the bolt to a torque of 20 ft-lbs.
- Repeat for Opposite Side: Repeat all steps to install the second SumoSpring on the opposite side of the vehicle.
5. Operating Principles
SumoSprings work alongside your existing suspension components to provide a smoother and more controlled ride. Their progressive foam design means they compress under increasing weight, effectively reducing rear-end sag, improving ride height, and maintaining balanced handling. This dampens harsh impacts, minimizes body roll and sway, and ultimately boosts driver control for a safer and more comfortable driving experience.
6. Maintenance
One of the key advantages of SumoSprings is their maintenance-free design. Made from closed-cell microcellular polyurethane, these springs do not require air lines, compressors, or constant adjustment. They are built to resist UV, moisture, corrosion, and extreme temperatures, ensuring long-lasting performance without regular upkeep.
7. Troubleshooting
Due to their simple, maintenance-free design, SumoSprings typically do not require troubleshooting. If you experience any unexpected issues with your vehicle's suspension after installation, please ensure the installation steps were followed correctly and all components are securely fastened. For persistent concerns, contact SuperSprings International customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | SuperSprings |
| Model Number | SSR-121-47 |
| Manufacturer | Supersprings International, Inc. |
| Item Weight | 1 pounds |
| Product Dimensions | 11 x 8 x 5 inches |
| Material | Patented micro-cellular urethane |
| Capacity | 1500 lb Capacity at 50% Compression |
| Special Features | Compress up to 80% of original height with full memory rebound, Improves overall driver control and ride comfort, One-piece unit attached on one side used as a replacement/upgrade to factory bump stops, progressive spring rate with superior damping properties. |
9. Warranty
SuperSprings SumoSprings are built to last and are backed by a lifetime warranty. This warranty covers defects in materials and workmanship under normal use. For specific terms and conditions, please refer to the official SuperSprings International warranty documentation or contact their customer support.
10. Support
For further assistance, technical questions, or warranty claims, please contact SuperSprings International directly. You can often find contact information on their official website or through your product retailer.