SumoSprings Maxim Custom Helper Springs - Rear Axle
(318 reviews)
Price: $834.99
SumoSprings Maxim Custom Helper Springs - Rear Axle
Item # SSR-183-54-1
Retail:$906.13
Our Price: $834.99
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SuperSprings Intl Vehicle Suspension - SSR-183-54-1
- Rear Axle Suspension Enhancement
- Jounce-Style Springs
- Extra Heavy Duty
- SuperSprings Intl
7,000-lb Capacity. Maintenance-free microcellular urethane springs upgrade your vehicle's rear suspension. They cushion bumps and support a heavy load to level your ride and minimize sway. Springs attach at top and bottom for constant support.
Features:
- Helper springs upgrade your vehicle's rear suspension for improved driver control and comfort
- Support heavy rear loads to keep your vehicle level
- Help to absorb bumps and shocks
- Minimize sway
- Progressive load control - springs compress according to the weight of your cargo
- Lighter loads - springs compress easily at first for soft engagement and a less bumpy ride
- Heavier loads - springs compress by as much as 80 percent for support
- Springs work independently from each other to compensate for off-center loads and reduce body roll during sharp turns
- Springs are connected to your vehicle at top and bottom to provide support even when your vehicle is unloaded
- Expand up to 50 percent of their height
- Durable, high-density microcellular urethane
- Works in temperatures from -25 F to 200 F
- Resists damage caused by oils, road salts, and UV rays
- Minimal lateral expansion - springs expand and compress vertically instead of to the sides so they aren't easily damaged when operating in tight spaces
- Maintenance-free - no tubing to run or air pressure to monitor like with air springs
- Easy bolt-on installation
- 2 Springs and necessary hardware included
- Made in the USA
Specs:
- Weight capacity (at 50-percent compression): 7,000 lbs
- SumoSprings will not increase your vehicle's weight-carrying capacity
- Limited lifetime warranty
- 30-Day satisfaction guarantee
Rear Suspension Support
SumoSprings helper springs are great for RVs or motor homes. Heavy rear loads can cause sag as your factory suspension compresses under the weight of the load. This means that the rear axle is trying to support not only the extra load but also the motor home's weight. And because there is less weight on your front axle, your front tires make less contact with the road, which causes problems with traction, steering, and braking. SumoSprings upgrade your vehicle's factory suspension to level your vehicle, improve driving performance, and keep your ride comfortable.
Each spring in this kit is bolted to two mounting brackets. One bracket is attached to the frame of your vehicle, and the other bracket is attached to the axle, typically above your existing factory leaf spring. Because each helper spring is in full contact at the top and bottom of the suspension's travel, the expanding and contracting action of the SumoSprings enhances your ride under all conditions, not just when it's loaded. And the closed-cell urethane springs act like a shock absorber to dampen road vibration.
SumoSprings provide progressive load control - the more you load them, the stiffer they become. With a lighter load, the springs will compress easily for soft engagement and a less bumpy ride. The springs can also compress by as much as 80 percent to support a heavy rear load and to help your factory suspension bear up under the load. This evens out the weight, which levels your vehicle and ensures that your front tires are making better contact with the road. A level ride means that you have improved driving control, ensures safe headlight aim, and helps to minimize sway. The springs also support your factory suspension, which helps prevent sagging and reduces bottoming out.
The springs work independently from one another to support each side of your vehicle. This action helps to reduce body roll when you make a sharp turn. This also helps compensate for an off-center load.
These springs extend in height by as much as 50 percent to allow more movement in your suspension when you're traveling unloaded, making your ride smoother and more comfortable.
Durable, Custom-Fit Springs
These microcellular urethane springs are tough. They resist abrasion, oil, salt, and UV rays that can more quickly wear out other springs, and they perform well in temperatures ranging from -25 F to 200 F (-33 C to 93 C).
SumoSprings expand and compress vertically with minimum expansion to the sides, so they won't be damaged by nearby mechanical parts and they fit safely into tighter spots. And unlike air springs, SumoSprings require no maintenance or adjustment.
This kit comes with custom-fit brackets that are designed to easily bolt onto your vehicle.
SSR-183-54-1 SuperSprings Sumo Springs Maxim Rear Vehicle Suspension Kit for Motor Homes
Installation Details
This Product Fits The Following Vehicles
- 2008 - 2021 Ford F-53
Customer Satisfaction Score:
79% were satisfied with this product
21% of customers were not satisfied
- Wrong item was ordered
- etrailer mistake
- Product did not meet expectations
Customer Reviews
SumoSprings Maxim Custom Helper Springs - Rear Axle - SSR-183-54-1
Average Customer Rating: 4.8 out of 5 stars (318 Customer Reviews)
7,000-lb Capacity. Maintenance-free microcellular urethane springs upgrade your vehicle's rear suspension. They cushion bumps and support a heavy load to level your ride and minimize sway. Springs attach at top and bottom for constant support.by: Larry 08/25/2023
Our motorhome had some serious stability issues and these springs took care of the problem. eTrailer is great about diagnosing problems, making recommendations and fixing the problem. We won't go anywhere else.
by: Thomas 02/21/2023
The SumoSprings have reduced the sway when turning. Also, I am not being pushed sideways when a truck passes or during wind gusts as much as prior to installation. But, I think if I do the front springs I would see even more improvement. So, I have seen improvement but I believe more improvements are possible.
I had an rv dealership install the SumoSprings at a cost of $250. The installation is relatively easy. I wish I had done it myself. But, I’m 76 and not as agile as I used to be.
by: Chuck W.02/02/2020
Sumo springs are an excellent product. I installed them myself and found them easy to install. The difference in stability was night and day. They took most of the sway away and it handles much better on the freeway. We’ve had them on for a year now and they still perform perfectly. I would recommend them to anyone with a gas powered class A. Etrailer was very helpful because it’s important to get the correct Sumo Springs for the weight rating of your coach.
by: Gary09/14/2021
Great combined with front and rear sway bars 2014 class A gasser rode like a dream
by: David07/11/2019
The sumo springs were fairly easy to install and improved the ride quality and stability of our Allegro SA32.I would recommend them to anyone with a gas coach.etrailer and their employees were wonderful to work with.Thank You!
by: Rickey 09/02/2021
Installed SumoSprings front and back on our 17 36T. They really helped side to side and front to back sway.
by: Robert 08/17/2022
2018 Ford F-53
Good product simple instructions easy installation. I’m 71 I installed them in about 3.5 hrs. Tip you need good drill bits, it will make the job easier. Hardest part for me was getting tires off and back on. 2018 Bounder 35P. Would maybe give five stars but haven’t taken the road test yet.
by: Team Jones04/29/2020
Huge improvement and love the new ride. We went from being pushed around going down the road to a significant amount of stability. Nice!
by: William 06/27/2021
Greatly improved the ride and handling. Worth every penny.
by: John 11/13/2021
Could not have gotten here any quicker if you would have driven it here yourself.
by: Jim04/11/2020
2016 Tiffin Allegro Motorhome
Great product.
by: Albany Service Cente05/15/2023
by: Christopher 04/23/2021
by: William 06/29/2023
by: Bryce 04/08/2023
2023 Ford F-53
by: Keith 07/14/2021
by: Alan 09/08/2021
by: Kevin 06/23/2021
2013 Itasca Suncruiser Motorhome
by: Steve 01/05/2022
by: Frank S05/12/2023
Front and rear Sumo Springs installed. Have not had a chance to hit the highway as yet. Locally a very good ride. Thanks to Joanne K. for all of her help.
by: Mr Walt06/05/2024
I have a 28-foot-long class A motorhome on a Ford F53 Chassis. The handling of the vehicle at any speed above 50 mph is terrible. The vehicle wanders all over; very difficult to keep the vehicle between the lane marker lines. The SumoSprings, installed front and rear, did not solve this problem. Money would have been better spent elsewhere!
by: Philip 08/30/2022
As always, eTrailer service and delivery was flawless for me on these SumoSprings for my 2021 WBGO Adventurer 29B Class A. Installation was done by a local WBGO dealer, who noted that it was easy and relatively quick to accomplish. My reason for getting the SumoSprings was to reduce rear body sway in turns and due to wind buffeting. For this, they seem to work well -- there is noticeably less sway now than before -- which is more confidence-inspiring and takes some of the effort out of dealing with passing trucks or brisk gusts of wind (especially from the side). However, as with any suspension modification that effectively stiffens the suspension, the sway reduction is accompanied by a somewhat harsher ride. This is especially noted when crossing bumps, train tracks, and expansion joints. For me, it's an acceptable compromise, after all, the RV is still a truck and will always ride and handle like one.
by: Joseph05/20/2022
I had these sumosprings installed on my class A motorhome 1yr ago to eliminate role. I have been extremely pleased to experience a 90% reduction in role and a MUCH smoother ride. The motorhome is easier to drive and maneuver single handed, even in the turns.
by: Joe 04/10/2024
My motorhome drives great and does not sway bad anymore. I also added Michelin tires which made the ride even better!
by: David01/04/2024
Greatly improved ride and handling. Had to re-plumb gray tank drain around spring.
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Info for this part was:
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Installed by:
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Test Fit:
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Test Fit:
Robert C
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Written by:
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