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Since you’re here, add the front solution...

  • SumoSprings Part Number SSR-327-40-2
  • SumoSprings Part Number SSF-327-47
Total Price: $829.98

Rear SumoSprings are a maintenance-free suspension enhancement built to create a better journey. Handmade from micro-cellular polyurethane, they are designed to reduce rear-end sag and increase load carrying ability while decreasing vibration, stabilizing sway, and softening harsh rebounds. 

The SSR-327-40-2 has a 3,000 lb capacity when compressed at 50%. The Blue SumoSprings shouldn’t be compressed past 70% of their original height in order to keep full memory rebound.

Note for lifted trucks: A Spacer Kit may be be required to install this product. Please chat with our team here to see if your particular set up requires this kit before purchasing.

Please Note: SuperSprings International products are specifically designed for vehicles equipped with factory suspension. We cannot guarantee their compatibility with aftermarket products or parts. For questions about fitment on your specific vehicle, please contact us.

Jerry McDonald
2023-05-23 09:33:10

As I was researching add on spring solutions to correct rear-end sag in my Mercedes Sprinter camper van, I came across SuperSprings and called their customer service. They were very helpful in helping me make the decision on what product that best fit my van and needs. Order and delivery was worry free. Installation was straight forward except for the confusion about the removal of the factory sway bar bracket. The written instructions had the brackets being removed, but the videos don’t mention the step. The installation took a little over an hour and now my van is level as it raised the rear-end an inch. The ride is much improved with less sway. I may end up getting the Sumo Springs for the front.

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Customer Reviews

1 ratings for the SSR-327-40-2
5 out of 5

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Product Specifications

Weight 32 lbs
Dimensions 17.75 × 12 × 10.75 in
Application(s) Summary

Freightliner Sprinter 2500 4 X 4 (2015-2021) ; Mercedes-Benz Sprinter 2500 4 X 4 (2015-2023)

Spring Diameter


Spring Height



3000 (lb) Capacity at 50% Compression