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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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SumoSprings Rebel Custom Helper Springs - 2 Piece - Front Axle Standard Duty SSF-170-40-2
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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. SumoSprings Rebel Custom Helper Springs - 2 Piece - Front Axle part number SSF-170-40-2 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
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SuperSprings Vehicle Suspension - SSF-170-40-2

  • SuperSprings
  • 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
  • 2-Year limited warranty


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   (109 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:
2018 Thor ACE Motorhome

Amazing! Installed Sumo springs on front of a new 2018 Thor 29.4. F53 frame. BEFORE was very unhappy with drive, could feel every imperfection on the road and steering was very unpredictable! AFTER: Dramatically eliminated the rough ride & steering issues . . . don't hesitate to buy these shocks you will be VERY HAPPY! My experience was so good I purchased the next week rear Sumo springs and the steering stabilize shock (much more improvements, but start with the front springs). 561311



- SSF-170-40-2
by:

The Sumo Springs made a big difference in the handling of my 38 ft class A. I had already put Sumo Springs on the rear along with an additional rear anti-sway bar, replaced the front ant-sway bar and added a steering stabilizer. Each item made improvements but the front Sumo Springs had the most impact. So much easier to drive. Installation was very easy and the online videos were helpful. I would highly recommend these. 672241



- SSF-170-40-2
by:

Easy install sits level now 449292


Comments
Works great I highly recommend them.
Dennis - 11/05/2018

45416

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

The SumoSprings item #SSF-170-40-2, for my 2017 Georgetown GT3, with the F53 Ford chassis was very easy to order from etrailer.com and was shipped in a very timely manner. They came with easy to follow installation instruction. Be advised that you will need a 1/2" socket with a 3" extension to insert into the factory bump stop to hold bolt while removing the nut on the drivers side. This is not mentioned in the instructions. You will also need the same socket and extension to remove the bolt on the passenger side. One other note, the nut on the drivers side is a 15mm. Other than the afore mentioned 1/2" socket and the 15mm the only other tool you'll need is a 9/16". About a hour and a half to two hour job. I took the motorhome for a test drive and there is a very noticeably improvement in the ride. Very satisfied with my purchase. Thanks, sumosprings for a great product and etrailer for a great price. 566821



- SSF-170-40-2
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2016 Ford F-53

Made a world of difference on our 30 foot class A. So much less sway now. My DW will even drive now. 599815



- SSF-170-40-2
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2012 Itasca Sunstar Motorhome

Ordered these 2 piece Sumo springs for the front of my 2012 Itasca 30T class A. This thing rode like an old farm wagon. After installing these springs, it's like night and day. It doesn't ride like a Prevost but it rides a whole lot better than it did. If you have a short wheelbase chassis with 19.5 wheels you need these things. I won't say they were easy to install but it wasn't too bad. I'm 71 and did it in my driveway in the Florida heat in about 2.5 hours. Don't bother shopping around because etrailer has the best price and the best customer service. 526595



- SSF-170-40-2
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2015 Forest River Georgetown Motorhome

Has always great service and even quicker delivery! These guys are awesome!! 599164



- SSF-170-40-2
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2013 Coachmen Mirada Motorhome

Product was delivered on time. Installed according to instructions today on my 2013 Coachman Mirada 34BH. In two hours,it was completed. Went for test drive. Wow!! What a difference in riding comfort and sway. Very satisfied. Will most definitely be buying a set for the rear next. Already have sway bars but this is "Icing on the cake" Customer service and follow up was quite good. First purchase on etrailer.com but not my last. 560749



- SSF-170-40-2
by:

Purchased these SumoSpings from etrailer.com who where fantastic, helpful, and friendly throughout this transaction. Can't say enough about how they did everything they could to ensure the purchase and shipping of the product took place in a timely manner. The SumoSprings themselves are great, truly smooths out the ride, increases the stability, and reduces the amount of road jarring that takes place with our 2016 Jayco Precept. The installation is easy enough that most anyone can do it. Although they do leave out a couple of important things to note/steps to take, but most anyone with a little common sense can figure it out. Well worth the investment. 527488



- SSF-170-40-2
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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. 500303



- SSF-170-40-2
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2014 Subaru Outback Wagon

Simple to install. Now for a test ride trip. Stay tuned. 507953



- SSF-170-40-2
by:
2018 Holiday Rambler Admiral XE Motorhome

The installation instructions for both the anti sway bar upgrade and the Sumo helper springs lacked torque values for their fasteners. Both suspension components fit correctly and have improved how our class A motorhome handles. Great service from etrailer. 556109


Comments
After a year, I’m still convinced the Sumo Springs was money well spent.
Jim - 08/21/2019

60219

- SSF-170-40-2
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They helped but not the miracle I was e xpecting 663646



- 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. 649992



- SSF-170-40-2
by:
2014 Ford F-53

Called Etrailer regarding info for Sumo Springs for the motorhome. Steve Z. is the rep I spoke with. He was a great help and informative in giving info on the product. I have ordered from E Trailer several times previously. Never dissatisfied, always great results. Plus ya have to like the free shipping. 580546



- SSF-170-40-2
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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. 667309



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

I ordered some front sumosprings for my f53 Motorhome from etrailer. They were very helpful in taking my order, I did a price match which took more steps than I thought it should. The Sumosprings installed very easily and seems to improve the overall handling of the motorhome especially with the cornering, the coach seems much more stable and has less body roll . The only problem that I had was that the front carriage bolts on the mounts were too short but I called supersprings and the sent me the correct bolts within a day. I may have to order the rear set later. My order shipped very quickly and arrived in just a few days. Than you etrailer. 503409



- 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 688201



- SSF-170-40-2
by:
2017 Thor ACE Motorhome

Product arrived a day earlier than promised => extra star!! The install videos are amazing; but better, there are also install instructions in the pacakage: the SUMO springs are already on the RV, took about 3 hours ( we needed to move a bracket etc etc). Different rig, joy to drive! Love Etrailer.com! 806212



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

I installed the Sumo Spring on my class A and they're fantastic. Really smooths out the ride and provides a much more stabile ride. These should be standard equipment on all motorhomes! 805328



- SSF-170-40-2
by:
2013 Itasca Sunstar Motorhome

Parts arrived fast. Had these installed on our Itasca Sunstar 26 HE along with the rear Sumo springs listed for the 26HE. Stability and ride was improved 10 fold. 798323



- SSF-170-40-2
by:

Great product. Front easy to install backs I had to get help only because its easier to remove the wheels. They almost stopped the wobbling/swaying and shimmering of the steering wheel over bumps. A lot smoother ride. 797077



- SSF-170-40-2
by:

The sumos were instld professionally and really do make a difference. The Newmar rides smoother, corners better and does not bang any more when hitting duck nests in the road, I would highly recommend these on a 31 foot RV. 793635



- SSF-170-40-2
by:

I keep repeating that your installation guidance plays a key part in the performance of the product. I have inspected them for normal wear and they are continuing to hold up. The suspension seems more trusty to the point of using just one hand and lack of substantial "sucking" during passing by big rigs. This is only on the front Sumo Springs as I did not see it as a requirement at this time to update the rear suspension. It is a well worth product considering a major RV manufacturer is offering them as part of their regular equipment. 793406



- SSF-170-40-2
by:

Was easy to install and well worth the money 793402


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Show More Reviews

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    view full answer...
  • Which SumoSprings fit 2016 Forest River FR3 28DS on Ford F-53 Chassis?
    Your 2016 Forest River FR3 28DS was built on a Ford F-53 chassis and has a GVWR of 18,000 lbs. The SumoSprings you need for your front axle are the SumoSprings Rebel # SSF-170-40-2. For your rear axle you need the SumoSprings Maxim # SSR-184-40-1. These springs will support your Forest River's suspension and absorb the shock that an RV can encounter; they will also minimize the amount of sway you experience. The springs will compress according to the weight of your cargo and work...
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  • SumoSprings Recommendation for 2017 Thor Hurricane F-53 18k
    Since your 2018 Thor Hurricane is built on a Ford F-53 chassis and has a 18k GVWR you'd want the Sumosprings part # SSF-170-40-2 for the front axle and then part # SSR-184-40-1 for the rear axle and you'd be set.
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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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Info for this part was:

Edited by:
Leah B
Expert Research:
Michael H
Expert Research:
Jameson C
Expert Research:
Adam R
Video Edited:
Joshua S
Video Edited:
Jacob T
Video Edited:
Kathleen M
Video Edited:
Dustin K
Video Edited:
Chris R
Installed by:
Cole B
Written by:
Mary E
Test Fit:
Shane H
Test Fit:
Robert C
Test Fit:
David F
Video by:
Jonathan Y

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