SumoSprings Part Number SSR-301-47-2
SumoSprings SSR-301-47-2 Top View
SumoSprings SSR-301-47-2 Rebel
SumoSprings SSR-301-47-2- Front View
SumoSprings SSR-301-47-2- Bottom View
SumoSprings SSR-301-47-2- Angle View


$599.99Ships in 1-2 weeks

In stock


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-301-47-2 has a 5,000 lb capacity when compressed at 50%. The Black SumoSprings shouldn’t be compressed past 65% of their original height in order to keep full memory rebound.

Jason Court
2020-05-24 21:35:47

i have a 2019 Ram 3500 6.4L Hemi SRW. I bought the SumoSprings because my truck has a harsh unloaded ride, but mostly because I have a truck box camper and the rear sag and tipsy feeling didnt make it a very confident drive. Researching options (air bag vs overload springs vs SumoSprings) for improvement led me here. Its a lot of money for rubber - doesnt appear to be anything special. Its not adjustable like air bags and frankly, i've never tried air bags to be able to make a comparison. The SumoSprings came with incorrect hardware for my truck - the Ubolts were not big enough to go around my axle. A quick run to HomeDepot for proper hardware and I was off to the races with a 30minute install. I was surprised to find that the two halves of the springs do not touch at all unloaded. Like - not even close - maybe an inch or so apart and so they do nothing until you load the truck. Dropping the camper into the box was much better, but there was still a noticeable sag - likely because they start so far apart to begin with. The ride improvement was now acceptable. So were they worth it? Final verdict - yes. My frustration is more with Ram than SumoSprings. The truck should be capable of hauling my camper without shelling out this kind of money. But after spending as much as I did for something so unimposing, to have it perform under expectations and to have to supply pieces of my own hardware only added to the frustration.

Customer Reviews

1 ratings for the SSR-301-47-2

3 out of 5  

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Product Specifications

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

Dodge RAM 2500 4 X 2 (2003-2010) ; Dodge RAM 2500 4 X 4 (2003-2010) ; Dodge RAM 3500 4 X 2 (2003-2010) ; Dodge RAM 3500 4 X 4 (2003-2010) ; RAM 2500 4 X 2 (2011-2013) ; RAM 2500 4 X 4 (2011-2013) ; RAM 3500 4 X 2 (2011-2021) ; RAM 3500 4 X 4 (2011-2021)