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Your cart is empty.SumoSprings are a patented suspension product designed to enhance load carrying ability, stabilize sway, and improve overall driver control and ride comfort. They are maintenance free, do not leak air, and do not require airlines or compressors. SumoSprings are manufactured in a variety of heights, diameters and densities to support multiple front and rear applications. They are manufactured from proprietary closed micro-cellular urethane providing a smooth and progressive spring rate with superior damping properties.
Shaun S
Reviewed in the United States on June 21, 2024
I've read for a long time that these could stabilize the front end of my motorhome and I was skeptical. I installed these and immediately on the first drive I was happy with the purchase. I would buy them again.
MMC70
Reviewed in the United States on May 7, 2023
These were by far the best update/upgrade we did to out 2009 Fleetwood Bounder. The ride difference is night and day! Drives like a dream. The pushback from semis is nearly gone. Oh, and we installed then ourselves in less than 45 minutes, none mechanical peeps here. Watch a YouTube and put them on!
Donald Smith
Reviewed in the United States on June 21, 2022
Not that difficult to install and sure helped to lessen the cradle rock while driving.
Nicki61
Reviewed in the United States on July 13, 2021
Not as billed!! Not 7" tall only 5" same height as OEM..Only 5/16 stud,, hardly size enough to tighten without snapping..you won't gain a bit of lift..Very Disappointed.. Will NOT buy another Sumo anything!!!
Derrick
Reviewed in the United States on November 14, 2021
The bump stops on my 2008 Holiday Rambler UFO were gone. I added the Sumo Springs for the w-24 chassis and what an improvement. Not as much sway and much less bounce going over expansion joints on bridges. Made I-95 in SC almost bearable. I wish I had not waited so long to install them. Have plans to add them to the Rear as well. The R-26, rear gas chassis, uses the same as the front ones.
C. Earnshaw
Reviewed in the United States on October 27, 2019
This was the last of my suspension upgrades, after front and rear trac bars, a rear anti-sway bar, and four new Bistein shocks, all of which made incremental improvements in the handling and stability of my W22 Workhorse-based motor home. The front Sumo springs took out that last bit of roll and "tippy" feeling I would get on curves or heavily crowned roads. They actually make the motor home feel smaller than it is and should have been standard equipment on all Workhorse W series chassis from the factory. The ride is now much more controlled and the handling feels taut.
JRDj
Reviewed in the United States on November 6, 2017
Five stars simply because of the apparent quality, reputation and reviews. Don't listen to the nay sayres about impossible installation. I had my mechanic tell me that it was an 8-9 hour job just for the front two. Had to take this and that apart, etc etc. With a little creativity in placing the washers and getting the nuts started again, I would say it took me a total of 1-1/2 hours start to finish. Knowing what I know now, I could probably shave a half hour off that time. I plan to put Konis on the rear but I am going to leave the existing shocks on the front for now to see what changes the Sumos will make. Plan to put Konis on the front at some point in time. These were installed on a Workhorse W22 chassis.
Lorne
Reviewed in Canada on November 3, 2017
I am happy with the performance of the front SumoSprings on my W22 motorhome. There is less road bounce on the front end les roll.I think a controlled independent air bag on the front end would be better but at much more expense and more maintenance.
Jeff Allen
Reviewed in the United States on January 17, 2017
Just as listed. Easy to put in after you get the old ones out.
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