1. Vehicle Suspension
  2. SuperSprings Intl
  3. Jounce-Style Springs
  4. Front Axle Suspension Enhancement
  5. Standard Duty
SumoSprings Rebel Custom Helper Springs - 2 Piece - Front Axle

SumoSprings Rebel Custom Helper Springs - 2 Piece - Front Axle

Item # SSF-170-40-2
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Our Price: $586.99
Vehicle Suspension

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2,600-lb Capacity. These maintenance-free microcellular urethane springs upgrade your vehicle's front suspension. Each 2-piece spring connects at top and bottom and provides unlimited suspension travel and movement for a smooth, comfortable ride. Lowest Prices for the best vehicle suspension from SuperSprings Intl. SumoSprings Rebel Custom Helper Springs - 2 Piece - Front Axle part number SSF-170-40-2 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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SuperSprings Intl Vehicle Suspension - SSF-170-40-2

  • SuperSprings Intl
  • Jounce-Style Springs
  • Front Axle Suspension Enhancement
  • Standard Duty

2,600-lb Capacity. These maintenance-free microcellular urethane springs upgrade your vehicle's front suspension. Each 2-piece spring connects at top and bottom and provides unlimited suspension travel and movement for a smooth, comfortable ride.


Features:

  • Helper springs upgrade your vehicle's front suspension for improved driver control and comfort
    • Support heavy front-end loads (like slide-outs) to keep your vehicle level
    • Help to absorb bumps and shocks
    • Minimize sway
  • 2-Piece design provides unlimited suspension travel and movement for a smoother ride when unloaded or on rough terrain
  • 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
  • Durable 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 Jounce-style springs and necessary hardware included
  • Made in the USA


Specs:

  • Weight capacity (at 50-percent compression): 2,600 lbs
    • SumoSprings will not increase your vehicle's weight-carrying capacity
  • Limited Lifetime warranty
  • 30-Day satisfaction guarantee


Front Suspension Support

SumoSprings helper springs are great for RVs or motor homes that have slide-outs. Slide-out rooms and other heavy front loads can cause front-end sag as your factory suspension compresses under the weight of the load. This means that the front 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 rear axle, your rear 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.


SumoSprings Rebel installed showing separation of 2-piece springs

The innovative 2-piece design of these Rebel springs allows for unlimited suspension travel. This means that there will be more movement in your suspension when you're unloaded or off-roading, which makes your ride smoother and more comfortable.


Each spring has 2 pieces. One piece attaches to the frame of your vehicle. And the other piece attaches to the axle. The pieces come together to provide support when you are carrying a heavy front load. When you're unloaded, they separate so that they don't restrict the movement of your suspension. The closed-cell urethane springs also act like a shock absorber to dampen road vibration.


SumoSprings compressing under load

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 front 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 rear 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.


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.



SSF-170-40-2 SuperSprings Sumo Springs Rebel Front Vehicle Suspension Kit for Motor Homes - 2-Piece

Installation Details SSF-170-40-2 Installation instructions

This Product Fits The Following Vehicles





Customer Reviews

SumoSprings Rebel Custom Helper Springs - 2 Piece - Front Axle - SSF-170-40-2

Average Customer Rating:  4.9 out of 5 stars   (189 Customer Reviews)

2,600-lb Capacity. These maintenance-free microcellular urethane springs upgrade your vehicle's front suspension. Each 2-piece spring connects at top and bottom and provides unlimited suspension travel and movement for a smooth, comfortable ride.

- SSF-170-40-2
by:

We have a 2009 build F53 chassis on our 2010 Windsport 32A. I ordered these Sumo springs for the front axle. Hated how bad our coach dashboard would shake and rattle when going over bridge transitions, potholes, and concrete roadway section breaks. Took about an hour and were easy to install alone. Couldn't believe how much these helped the front axle. Worked so well I recently bought a set for the rear axle also. Those are a bit harder to install due to having to drill holes in frame rails to mount the upper bracket and glad I had friend to assist me. Would have only taken a little longer without the help but still easy to do by basic mechanic skills. With having both now we can certainly tell the difference and wished I had bought them sooner.


Comments
Our Sumo springs have been the best addition we have made to our coach. Now retired, we have been getting out and driving farther and the Sumo Springs have made the ride so much better. Highly recommend them on this F-53 chassis.
Ed - 04/11/2021


- SSF-170-40-2
by:

We have been extremely happy with the installation of the Sumo Springs to the front and rear of our class A motorhome. This in combination with the addition of Safety Steering has made a tremendous difference in comfort and driving. I belong to several motorhome groups and have recommend Sumo Springs to anyone interested in upgrading their rig.


Comments
Great and I continue to advise people to install them
Jim C - 03/28/2021


- SSF-170-40-2
by:

My THOR motor coach has the Ford F-53 chassis. I rides like a truck. That should not be surprising as "it is a truck." I purchased and installed these Sumo Springs and even though it will never be "air bag" suspension, the Sumo Spring made a wonderful difference in improving the ride. I would recommend this add on to everyone and as I meet similar motor coaches on the road, I show them the Sumo Springs and I do recommend them.



- SSF-170-40-2
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Sumo springs make a big difference in the handling of the F53 Ford chassis. My motorhome has about every suspension modification available - replacement as well as add on sway bars, koni shocks, track bars, etc. but the Sumo springs made the most improvement. The only problem I ran into was the claim that there is no drilling - there was drilling required in the rear. Highly recommended.


Comments
After one year the Sumo springs have proven to be the best solution to handling problems in high wind conditions. It will never get perfect, I am driving a barn down the road, but it is a great improvement. The only other driving improvement I have made since the Sumos is an adjustable drag link that allows for a proper wheel allignment and a centered steering wheel.
Robert - 01/19/2021


- SSF-170-40-2
by:
2020 Ford F-53

The difference is tremendous. Much better feel on the road. Handles bumps much better, lessons road noise and more stable. Massive improvement on my 2020 class A gas coach.



- SSF-170-40-2
by:

Replaced deteriorating stock jounce bumpers on a 2011 Ford F53 motorhome chassis with these SumoSprings. Install was easy - 90 minutes total for both sides, working by myself. Product is great, and the buying experience from etrailer is always top notch!



- SSF-170-40-2
by:

After reading and watching several videos of this product I decided to install them on my 2016 Bounder. The installation was as easy as it was described in the video and now that I have installed the rear Sumo Springs the difference is amazing. Highly recommend this to anyone who wants to improve the handling of their motorhome.



- SSF-170-40-2
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I bought the yellow sumo springs hoping to take some of the sag out when hooked to my fifth wheel. Very happy with results, took at least 2/3rds. out. Simple to install, at least on my Tundra.


Comments
Very good, truck handles 5th wheel well with little squat. No noticeable difference in ride with no load
Elmer - 02/13/2021


- SSF-170-40-2
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GMC Canyon

Had the Sumo springs installed on my Newmar Canyon Star, No more dipping and diving, passing truck had no impact anymore. Huge difference.


Comments
Product is very good
Janice A - 03/27/2021


- SSF-170-40-2
by:
Thor

Preston did a great job helping me spec in the correct springs for my 2016 Thor Hurricane 27K on a F53 chassis. Placed order with him over phone and received springs two day's later. I just installed them and took Motor home on a test drive around town on bumpy streets and what a difference it made. Drives more like a truck now and less like a boat. I also installed a steering stabilizer spring and did the cheap handling fix to the sway bars. Well worth the time and effort. I did notice that the etralier installation video shows the bottom brackets of the spring installed with the "U" down which is opposite the mfg's printed instructions. I did mine according to the printed instructions cause it seemed to make more sense. Probably no big deal either way. Thanks etrailer. I'll be contacting you guys when ready to do the back end of my motor home.



- SSF-170-40-2
by:

These made a huge difference in the drivability and handling of my 2018 Ford F53-based bounder 35K. Highly recommended. And the team at etrailer.com is super responsive and helpful. I strongly recommend this upgrade, combined with additional/reinforce sway bar. You driving will be more pleasant, less stressful and safer. - Vittorio



- SSF-170-40-2
by:

The Sumo springs are doing the job. etrailer had the best prices, took some shopping around to find a qualified, fair priced installer.


Comments
The Sumos helped with lean when turning. A big task to install, especially the rear, which requires removing the wheels. Best Deal Spring in Salt Lake City did my install, and very reasonably. I had estimates of 2 to 4 times as much.
Steve - 09/07/2020


- SSF-170-40-2
by:
2017 Ford F-53

Easy install, took about an hour. They absorb some of the road cracks and makes other bumps smoother. It really helps on cornering with significantly less leaning and roll Happy with etrailer and product.



- SSF-170-40-2
by:
Tiffin

I Completed the install today! etrailer was great every step of the wayI have a 2013 30’ Ga Tiffin and I noticed that Tiffin now offers Sumo Springs as an option on their gas outfits . so I figured they must be a nice suspension upgrade .Was going to order from Amazon as usual, But did not see that the hardware was included there. And E Trailers web site was superior in not only showing what you will get also that it was the correct product for my application. I was a bit nervous to do the install my self as I’m not a mechanic, but I watched the E - Tailer installation videos a few times. Thought I would try the install my self to save a few bucks. The install was exactly the way E-Trailer showed it to be in the video . The process took about an hour a side . I only installed them on the front but a noticeable difference in the side to side on bumps and the leaning into turns. Can’t wait until I can afford to do the rears ! Thank you etrailer!



- SSF-170-40-2
by:
2011 Thor Motor Coach Hurricane Motorhome

When you look at the bumpstop and all the travel it can go, it makes sense to fill that space with a constant contact chusion, such as the Sumo Spring. I have a 2011 F53 chassis supporting a 32 Class A motothome. 16,000 GVW and no slide. I only installed the fronts to see how they worked. I did it myself and it took about 2 1/2 hours. If I can do it anyone that can work a wrench and understands basic mechanics can do it. I'm 60 and it's a tight space under there and takes some effort, but the jobs not hard, just doing it is hard and uncomfortable. My motorhome would ride very rough on the same roads my car ran smooth. The Sumo Springs were an improvement. They did not solve the rough ride on real poor highway, but on normal rough roads, they were an improvement that will benefit the ride on more roads than not. I now plan to do the rears when I get time.



- SSF-170-40-2
by:
2015 Ford F-53

Haven't installed yet but I put the rear sway bar on my 2015 3124 Baystar July 2019 and what a great difference. I'am expecting these will be a great improvement as well. The last addition I will add is the steering stabilizer.


Comments
Love the Ride have also installed the Road Master steering control.
Randy - 07/13/2020


- SSF-170-40-2
by:

I unpacked everything and it was in good shape. All parts were intact and individually protected with paper. The directions were easily understood and very descriptive with all parts lettered with pictures and corresponded to a part and item #. One portion of the front diagram showing the leaf spring attached to a 90 degree I beam should state that is the axle. At the top of the diagram showing the frame rail, it would help if indicated somewhere we were looking at the outside of the frame rail. Those two things would help orient the viewer to what is being looked at. Also, the note at the bottom that says "Driver Side Front" with an arrow, should be in larger print and bold text. The actual pictures on the back side with the instructions should also say (at least in the first one) "outside of frame rail". To sum things up it took me 3hrs to install the driver's side. Mainly because I broke loose the welded nut on the frame that holds the bump stop and I had a heck of a time getting a socket that fit on it so I could get that darn bump stop off. Having said that, it only took me 45 to 50 minutes to install the passenger side once I knew what I was doing and had all of the tools handy. As a final note, it would be helpful to include a tool list such as 3/8" drive socket wrench with 4" or 6" extension. 13mm and 15mm deep sockets to remove Ford bump stops. Standard 9/16" ratchet wrench and or extra open end/box end 9/16" and a deep 9/16" socket. All of which only need to be 3/8" drive. I look forward to my next trip with the SumoSprings installed.



- SSF-170-40-2
by:

The best thing we did,now we can drive and feel safe !



- SSF-170-40-2
by:

I love these springs, they are providing an amazing improvement in the front suspension. I have over 5000 miles on them and the ride is smooth and reliable, much more stable than stock. When hitting the big bouncing bumps on the freeway, the motorhome is significantly more stable. I am also running Sumu's on the rear axel plus a steering stabilizer. Together the three improvements make the ride amazingly more stable, and minimize sway and bounce at freeway speed.



- SSF-170-40-2
by:

Wow!! You guys and specifically Roger were fantastic! RV Dealership in our town told us 7-10 days before they could get the sumo springs. Called Roger on Wed morning received our sumo springs 48 hours later with Free shipping! And 200 dollars less then what the RV Dealership quoted us, thank you etrailer and thank you Roger.



- SSF-170-40-2
by:

Was easy to install and well worth the money


Comments
Working great improved handling
Gilbert - 05/07/2021


- SSF-170-40-2
by:

Improved ride and handling and I saw a news release for a new Winnebago that notes it comes with Sumo springs installed!



- SSF-170-40-2
by:
2016 Thor ACE Motorhome

The SumoSprings were delivered two days early (great) and I started my install. I guess I'm getting older than I thought, it took me a day and a half to actually see the note at the bottom of the Diagram which show the orientation and the direction of the front of the vehicle. After I was clear on the proper install and working over my head and upside down everything actually fit very nice. The Test Drive was very good and the normal bumps that would rattle the contents of the kitchen cabinets was greatly smoothed out. The MH drove straighter and required less back and forth movement of the steering wheel. A big step of improvement.



- SSF-170-40-2
by:

Much easier to drive the rv with these installed. Reduced the affect that semi trucks and wind gusts as well as improving the ride



- SSF-170-40-2
by:
Fleetwood

Huge improvement in handling driving our 2017 Fleetwood Bounder. Fleetwood should have these installed from the factory. Wish we would have had them installed when we bought it.


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  • Suspension Enhancement for 2014 Fleetwood Storm 28MS on Ford F-53 Chassis
    There is a way to make the ride less jarring on your 2014 Fleetwood Storm 28MS, which was built on a 2013 Ford F-53 chassis. From my research your RV has a GVWR of 18,000 lbs, though you'll want to double check just to make certain. I recommend using Sumo Springs on both the front and rear axle, which are going to expand and compress independently of one another in order give you a much more comfortable ride. For your Ford F-53 with an 18,000 lb GVWR, the SumoSprings Rebel # SSF-170-40-2...
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  • Suspension Enhancement That Fits the 2018 Thor ACE 27.2 GVWR 16000 on Ford F-53 Chassis
    I think I can help make some confirmations for you and we'll go one-by-one on fits for your 2018 Thor ACE 27.2 with a 16,000 lb GVWR built on a Ford F-53 chassis. - Roadmaster Rear Anti-Sway Bar for Motorhomes # RM-1139-149 is NOT a fit as it is designed for vehicles with a chassis GVWR of 22,000, 24,000, or 26,000 lbs. Instead you would need the Roadmaster Rear Anti-Sway Bar # RM-1139-146 (assuming your Thor is less than 34 feet long). - Roadmaster Front Anti-Sway Bar for Motorhomes...
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  • What Are the Correct Front and Rear SumoSprings for a 2019 Winnebago Intent 29L
    The best set of SumoSprings Rebel Custom Helper Springs for your 2019 Winnebago Intent 29L on a Ford F-53 Chassis is part # SSF-170-40-2 for the front and the best set of SumoSprings Maxim Custom Helper Springs is part # SSR-184-40-1 for the rear. These kits both have the correct springs for the 18,000 GVWR of your motor home so they will perform the best. I have attached sample install videos for you as well.
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  • Recommended Suspension Enhancement For 2017 Thor ACE On Ford F-53 Chassis
    The SumoSprings are designed to help with the issue you said you have. I recommend installing the front and rear to make sure the entire motorhome is supported. The springs you need for the front are part # SSF-170-40-2, and the springs for the rear are part # SSR-187-40-1. These will help cushion the ride and since they work independently, they will help keep the motorhome level even though one side has a slideout.
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  • Sumo Springs Recommendation for 2006 Ford F-53 Winnebago SightSeer
    For the rear axle you would want the part # SSR-184-40-1 and then for the front axle # SSF-170-40-2. These two are exactly what your 2006 Ford F-53 RV are rated for.
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Info for this part was:

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