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  1. Vehicle Suspension
  2. SuperSprings Intl
  3. Bump Stops
  4. Towing/Load Leveling
  5. Light Duty
  6. Rear Axle Suspension Enhancement
THIS ITEM IS NOT A FIT FOR
1998 Ford Expedition
SuperSprings Intl

SumoSprings Solo Custom Helper Springs - Rear Axle

Part Number: SS68DR
In Stock
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$278.99
Retail:$291.19
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Vehicle Suspension
Not Confirmed to Fit

1998 Ford Expedition

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1,400-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation. Great Prices for the best vehicle suspension from SuperSprings Intl. SumoSprings Solo Custom Helper Springs - Rear Axle part number SS68DR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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SuperSprings Intl Vehicle Suspension - SS68DR

  • Bump Stops
  • Towing/Load Leveling
  • SuperSprings Intl
  • Light Duty
  • Rear Axle Suspension Enhancement
  • Suspension Only

1,400-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.


Features:

  • Helper springs upgrade your vehicle's rear suspension for improved driver control and comfort
    • Keep your vehicle level when you're towing or hauling a heavy load
    • 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
  • 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 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
  • Simple, no-drill installation
  • 2 Jounce-style springs included
  • Made in the USA


Specs:

  • Weight capacity (at 50-percent compression): 1,400 lbs
    • SumoSprings will not increase your vehicle's weight-carrying capacity
  • Limited lifetime warranty
  • 30-Day satisfaction guarantee


Rear Suspension Support

Towing or hauling a heavy load can cause rear 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 weight of your vehicle. 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.


Installed spring when it is not compressed

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 closed-cell urethane material allows for smooth contact between the springs and your vehicle. And the springs act like a shock absorber to dampen road vibration.


Installed spring when it is compressed

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.


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 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.


The helper springs are custom designed to fit your vehicle, and they install easily - no drilling required.



SSR-623-40 SuperSprings Sumo Springs Solo Rear Vehicle Suspension Kit for Trucks

Installation Details SS68DR Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:

Ratings & Reviews

4.7

2235 reviews
5 Stars
(1803)
4 Stars
(303)
3 Stars
(45)
2 Stars
(32)
1 Star
(52)
1,400-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.

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Show More Reviews

See what our Experts say about this SuperSprings Intl Vehicle Suspension

  • Best Suspension Enhancement For 2021 Toyota 4Runner Sagging While Towing
    Hey Bryan, Thanks for the photo and specific info you gave, and if you're sagging to the point that it's affecting oncoming drivers you definitely need suspension enhancement. That much sag is actually going to affect your 4Runner as well because the back end will experience more wear, and your tires are going to go quicker. You mentioned Timbrens and while those will work, there's a better option, which are SumoSprings: - SumoSprings Solo Custom Helper Springs # SS68DR The # SS68DR...
    view full answer...
  • How Tall are Sumo Springs SSR-623-40 Blue Spring
    Hey Mike, I believe you are asking about the height of just the blue spring of the part # # SS68DR SSR-623-40 which is 4 inches. Otherwise it sounds like you are asking about the distance from the top of the mounting bracket to the bottom of the spring which would be zero.
    view full answer...
  • Recommended SumoSprings Air Helper Springs that fit a 2024 Lexus GX 550 Overtrail
    Hey Hiroshi, yes the SumoSprings Solo Custom Helper Springs # SS68DR are going to work with your 2024 Lexus GX 550 and won't require anything else because this kit come with everything you'd need. Please feel free to let me know if there is anything else I can do to help!
    view full answer...
  • Should I Run a Sumospring and Firestone Air Bag Kit on 2019 Toyota 4Runner
    Hey Lynn, we generally don't recommend running more than one set of suspension enhancement on a vehicle because the performance of the two kits together has never been tested and most likely if you need two you are overloading things. I would first try the SumoSprings kit part # SS68DR though as that is most likely going to get you exactly what you are looking for and then from there decide if adding more support with an air bag setup like the Firestone part # F4135 is needed.
    view full answer...
  • Space Between SumoSprings SS68DR & Axle on 2006 Toyota Sequoia When Unloaded
    With an unloaded ride on your 2006 Toyota Sequoia, there will be approximately 1 inch of space between the axle and the bottom of the SumoSprings Solo Custom Helper Springs # SS68DR. These are a light capacity helper spring, and if you are off-road without a load in the back, you will feel them engage, but it won't be extremely jarring. With normal driving, however, short of going over a speed bump or pothole or really bad roads, there won't be an issue of these springs affecting your...
    view full answer...
  • Suspension Enhancement Recommendation 2021 Toyota 4Runner Nightshade
    Hey Nelson, we have the SumoSprings Solo part # SS68DR that is a confirmed fit for your 2021 Toyota 4Runner Nightshade. I was able to confirm that your Nightshade has suspension that is compatible with this kit so it would be a great option to reduce sag. I like the SumoSprings kits because you get the best blend of suspension support and ride quality without having to mess with maintaining air pressure like air bag kits require.
    view full answer...
  • Idea to Improve Ride Quality of 2011 RLS Cougar 27
    Hey Chris, we are seeing a lot of people have really great results by switching to cushioned equalizers on their RVs to improve the ride quality. If you are wanting to improve ride quality that would be what I would go with like the MORryde Alltrek 4000 part # MR29DR if you have a 35 inch wheelbase or the part # MR89DR if you have a 33 inch wheelbase. Sumosprings can help too but it would need to be a situation where you are basically bottoming out the current suspension otherwise the...
    view full answer...
  • What SumoSprings do I Need for My 2015 Toyota 4Runner Towing Trailer with 380lbs Tongue Weight?
    Hello Darryl, Thank you for including the weight of your trailer, especially the tongue weight. You will want the SumoSprings Solo Custom Helper Springs - Rear Axle # SS68DR. The # SS68DR has a weight capacity of 1,400 pounds, and the # SS78DR has a capacity of 1,800. The 1,400 is more than enough for your 380 pound tongue weight. What kind of trailer is it? Something for work, or something for fun?
    view full answer...
  • Comparing SumoSprings and Timbren Off-Road Bump Stops for 2023 Toyota 4Runner
    The Timbren Active Off-Road Bumpstops part # TABSTORSEQ which are a fit for a 2023 Toyota 4Runner are pretty similar to the SumoSprings Solo Custom Helper Springs like part # SS68DR. The Timbrens provide more support but the SumoSprings ride smoother. Therefore, it all comes down to preference and how you'll be using them. I personally prefer the SumoSprings as they offer the best of both worlds, ride quality and support. The only difference between the SumoSprings part # SS68DR and part...
    view full answer...
  • SumoSpring Kit Recommendation for Overlanding 2018 Toyota 4Runner
    Between the 1,400 lb SumoSprings Solo Custom Helper Springs # SS68DR and the 1,800 lb Kit # SS78DR I recommend going with the 1,800 lb kit. These won't affect your daily drive but will offer the support you need when you are going Overlanding. If you were only using your 2018 Toyota 4Runner as a daily driver I'd say stick with the 1,400 lb kit since there isn't really a need for the extra support.
    view full answer...
  • Recommended Way to Reduce Rear End Sag When Towing Lance 1575 Travel Trailer 2006 Toyota Sequoia
    The Black SumoSprings Solo Custom Helper Springs # SS78DR having he higher weight capacity of 1,800lbs will not compress as far as the Blue # SS68DR with the same amount of weight. Do remember that with these on your 2006 Toyota Sequoia since the black springs are stiffer you will get that back as a firmer ride when you are unloaded. The best way to help with your rear sag is with a Equal-i-zer Weight Distribution System # EQ37060ET. This will allow you to transfer the weight from the...
    view full answer...
  • Helper Spring Recommendation for 2021 Toyota 4Runner Towing 3700 lb Travel Trailer
    Of the available choices, I prefer the SumoSprings # SS68DR which would provide up to 1400 lbs of additional support for your rear suspension which would work great to counteract the tongue weight of your travel trailer. Not only will the SumoSprings prevent sag from the tongue weight of your travel trailer being applied to the rear suspension of your 4Runner, it'll also minimize sway and body roll in turns. Unlike the # F4135 air helper spring you'd looked at, the SumoSprings will never...
    view full answer...
  • SumoSprings or Timbrens? Which is Better for a 2023 Toyota 4Runner
    Timbrens would be horrible when you are off-roading. It would feel like you were constantly bottoming out your suspension. Your kidneys would hate you. I could not more strongly recommend SumoSprings for your 2023 Toyota 4Runner. The best option is going to be the SumoSprings Solo Custom Helper Springs item # SS68DR. Your 4Runner's maximum tongue weight is well under these springs 1,400 lbs capacity. SumoSprings have progressive load control which means the more weight put on them the...
    view full answer...
  • Is It Normal For SumoSprings Helper Springs On 2019 Toyota 4Runner To Touch Axle Under Light Loads?
    Yes, it is normal for the SumoSprings Solo Custom Helper Springs # SS68DR for your 2019 Toyota 4Runner to rest on the axle pads with some extra weight on the suspension. These springs were designed with no weight to just sit above the axle. As these springs are much softer than other suspensions such as Timbren they do not require as much clearance since they will not drastically diminish the ride quality.
    view full answer...
  • Options For Reducing Sag While Hauling A Camper On A 2010 Toyota 4Runner
    I really don't think that a weight distribution system is necessary for your situation. Your Toyota 4Runner components are tough enough to haul your camper, your suspension is the component lacking. That being said you can go two different routes. If you don't want to affect your ride quality when you're not hauling, I recommend getting the SumoSprings # SS68DR. These will engauge when the rear suspension sags enough to hit these springs. So it will not affect the first 40% of your suspension...
    view full answer...
  • How To Reduce Sag When Towing With A 2021 Toyota 4Runner Venture
    Hi Chet, Both Timbren And SuperSprings SumoSprings jounce springs would help with the sagging you're experiencing, but only one is going to give you a comfortable ride quality. You'll want to stay around the payload capacity of your 4Runner otherwise the springs you install can be too stiff and start affecting your unloaded ride quality in a negative way. Timbrens are great but are made for more heavy-duty use and would likely be too stiff for your intended use. I recommend going with...
    view full answer...
  • Suspension Enhancement for 2023 Toyota 4Runner Towing Travel Trailer
    I can definitely help. What I recommend is the SumoSprings # SS68DR. These will level you out and give the extra support you're looking for. They will also help smooth out the ride while towing and minimize sway. SumoSprings also have a minimal impact on unloaded ride quality so you won't notice a difference when you aren't towing. They have a no-drill installation and come with a limited lifetime warranty.
    view full answer...
  • Will SumoSprings Solo Springs Work With Toyota's Kinetic Dynamic Suspension System?
    Nope! The SumoSprings Solo Custom Helper Springs - Rear Axle # SS68DR you're looking at are going to work with all models of the 2019 Toyota 4Runner, so it'll work just fine with the KDSS option. These springs at 50 percent, have a 1,400-lbs capacity, has a simple no-drill install, and is made in the USA.
    view full answer...
  • Best Suspension Enhancement For 2022 Toyota 4Runner
    The best option for suspension enhancement for your 2022 Toyota 4Runner are SumoSprings: - SumoSprings Solo Custom Helper Springs # SS68DR Th SumoSprings # SS68DR offer the best support for your '22 4Runner because they compress based on the amount of weight placed at the rear of your 4Runner. So when you are towing or otherwise have a heavy load in the cargo area of your Toyota, the SumoSprings will help level your ride, while reducing body roll and sway, giving you a smoother, more...
    view full answer...
  • Recommendation To Reduce Rear End Sag on 2023 Toyota 4Runner When Towing 25' Camper
    While the SumoSprings Solo Custom Helper Springs # SS68DR are a good option to reduce sag and provide your rear suspension additional support on your 2023 Toyota 4Runner. The best option is going to be using a weight distribution hitch like the Equal-i-zer # EQ37100ET. This helps to level your 4Runner by distributing the tongue weight across both your front and rear suspension. It will also give you sway protection which you do not get with the SumoSprings. This will make your towing experience...
    view full answer...
  • Suspension Enhancement/Helper Spring Suggestion for 2022 Toyota 4Runner
    The Firestone # F4135 Coil-Rite air helper springs you'd looked at are a fit for your 2022 4Runner, but unless the load you carry in the cargo area or the trailer's tongue weight will vary to a large degree, you really won't need the adjustability provided by an air helper spring system. I prefer a bump stop replacement like the SumoSprings # SS68DR. The SumoSprings won't affect your vehicle's ride until there's some compression applied to the rear suspension. With this system you won't...
    view full answer...
  • Recommended Suspension Enhancement and Sway For 2022 4Runner & TAXA Mantis Trailer Lock N Roll Hitch
    I recommend using the SumoSprings Solo Custom Helper Springs # SS68DR on your 2022 Toyota 4-Runner with the Tuson Asymmetric Sway Control # 335TSC-1000 on your TAXA Mantis Overlanding trailer. There currently is no way of using a weight distribution hitch with the Lock N Roll hitch you have. The SumoSprings # SS68DR are rated for a capacity up to 1,400lbs and will not require you to constantly monitor the air pressure needed for the Air Lift 1000 Air Helper Springs for Coil Springs #...
    view full answer...
  • Reducing Rear Sag on a 2008 Toyota FJ Cruiser
    Both the SumoSprings # SS68DR and Timbren # TABSTORSEQ will help with the sag you are experiencing, however, I prefer the SumoSprings # SS68DR. This has to do with them increasing their stiffness with the the more weight that is added to them. This will keep the ride quality as close to stock as possible when not towing while still providing the support when needed. The Timbren # TABSTORSEQ is very similar to the SumoSprings, but is made with a more robust rubber. This will have better...
    view full answer...
  • Are the SumoSprings Solo Custom Helper Springs SS68DR Side Specific
    The SumoSprings Solo Custom Helper Spring part # SS68DR aren't side specific, the brackets and springs can be installed on either side. That said, you will need to make sure they are orientated correctly depending on what side they're on. Per the instructions, "Be sure to position the bracket so that the SumoSpring is offset outboard (toward the wheel).".
    view full answer...


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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video Edited:
Chris R
Employee Jonathan Y
Video Edited:
Jonathan Y
Employee Wilson B
Updated by:
Wilson B
Employee Alex H
Written by:
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Employee Michael B
Installed by:
Michael B
Employee Jacob H
Installed by:
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Employee Thomas T
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