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SuperSprings are a simple, bolt-on, steel helper spring that eliminates rear-end sag and stabilizes sway & body roll. Built from high-grade shot peened steel, this suspension solution allows you to load up without sacrificing your ride quality. 

The SuperSpring includes a patented roller shackle on each end that allows for self-adjustment as weight is changed. This is particularly helpful as you add water, tools or heavy gear to your vehicle.

The SSA55 has an additional load leveling capacity of 1,900 lb.

Michael Smith
2023-02-23 08:33:17

Stopped almost all sway.

Brian Kuhn
2022-11-17 06:58:53

I have just completed installation of this on my Sprinter 3500 based motorhome. It is a quality product that has helped improve the ride and helped raise the back nearly 3/4". I would recommend this product to anyone with this type of vehicle, due to the constant heavy loading of the vehicle itself. I will admit this was a challenge to install this on the 3500 van due to the strength of the existing leaf springs on the 3500. However, with the guidance and supervision of the SuperSprings team, especially Mark, I was able to safely install this myself. He even noted a potential positioning error I had made which would have led to interference with the frame that was easily corrected. I really appreciate that level of support and concern from them.

2022-06-01 23:38:40

Very well designed and built. The high quality is evident from the first time you handle the product. The installation instructions are well thought out and easy to follow. Tech support is easy to reach if a problem arises. By adjusting the bolt location on the spring shackles, you can tune the leaf springs to work optimally with Sumosprings and your expected load. With few exceptions, this is a top notch product.

Michael Zylman
2022-05-31 16:22:31

Improved ride quality and body roll.

Customer Reviews

4 ratings for the SSA55

5 out of 5  

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Product Specifications

Weight 38.0 lbs
Dimensions 47.00 × 8.00 × 10.00 in
Application(s) Summary

Dodge Sprinter 2500 4 X 2 (2004-2009) ; Dodge Sprinter 3500 4 X 2 (2004-2009) ; Freightliner Sprinter 2500 4 X 2 (2002-2020) ; Freightliner Sprinter 3500 4 X 2 (2002-2020) ; Mercedes-Benz Sprinter 2500 4 X 2 (2010-2023) ; Mercedes-Benz Sprinter 2500 4 X 4 (2016-2023) ; Mercedes-Benz Sprinter 3500 4 X 2 (2010-2023) Mercedes-Benz Sprinter 3500 4 X 4 (2016-2023)

Spring Diameter

Spring Height