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  1. Vehicle Suspension
  2. SuperSprings Intl
  3. Jounce-Style Springs
  4. Rear Axle Suspension Enhancement
  5. Light Duty
SumoSprings Solo Custom Helper Springs - Rear Axle
SuperSprings Intl

SumoSprings Solo Custom Helper Springs - Rear Axle

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Vehicle Suspension

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1,800-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 SSR-612-47 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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SuperSprings Intl Vehicle Suspension

  • Jounce-Style Springs
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Light Duty

1,800-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): 1,800 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-612-47 SuperSprings Sumo Springs Solo Rear Vehicle Suspension Kit for Trucks

Item # SSR-612-47

Installation Details SSR-612-47 Installation instructions

This Product Fits The Following Vehicles




Customer Satisfaction Score:


Customer Reviews

SumoSprings Solo Custom Helper Springs - Rear Axle - SSR-612-47

Average Customer Rating:  4.7 out of 5 stars   (2520 Customer Reviews)

1,800-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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See what our Experts say about this SuperSprings Intl Vehicle Suspension

  • Height of SumoSprings Solo Helper Springs for 2016 Toyota Tacoma
    I went out the warehouse and measured the 1,000 pound SumoSprings your 2016 Toyota Tacoma and they're right under 5 inches at about 4-15/16 inches. These are custom fit for your Tacoma as long as it has the factory suspension. If you've modified it at all let me know and see if we have another option that'll work for you.
    view full answer...
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  • Suspension Enhancements for a 2017 Toyota Tacoma with Firestone Airbags
    I do have a suspension enhancement option for your 2017 Toyota Tacoma that is compatible with the Firestone Ride-Rite Air Helper Springs part # F2407, however, the Timbren Rear Suspension Enhancement System part # TTORTUN4L and the Roadmaster Active Suspension Kit part # RAS4514-SAT will not work. In order to use a set of suspension enhancements with your currently installed Firestone Ride-Rite Air Helper Springs, I recommend the TorkLift StableLoad Rear Suspension Upgrade part # TLA7311...
    view full answer...
  • Best SumoSprings For 2023 Toyota Tacoma TRD For Towing & Load in Truck Bed
    Hey Mike, thanks for the question and the best SumoSprings for your 2023 Toyota Tacoma TRD for a combination of towing and a load in your truck bed are the 1,400 lb springs: - SumoSprings Solo Custom Helper Springs # SSR-612-40 The reason I like these over the 1,800 lb capacity # SSR-612-47 is because 1,400 lbs is more than enough to handle both the weight in your truck bed and the tongue weight of your trailer, and the 1,400 lb springs are also less dense, which means more cushioning...
    view full answer...
  • Is Weight Distribution Needed With Suspension Enhancement on 2018 Toyota Tacoma?
    Those are very good questions and let's start with the capacities of both systems. The SumoSprings Solo Custom Helper Springs # SSR-612-40 has a 500 lb capacity and SumoSprings # SSR-612-47 has a 1,000 lb capacity, which means that is the highest amount of weight that the springs will actively still help your 2018 Toyota Tacoma's suspension. Anything over that and you won't see the benefits of the system. If 3,500 lbs is the max weight of your enclosed trailer when it is loaded then your...
    view full answer...
  • Jounce Bumper Helper Spring Options for 2021 Toyota Tacoma
    Some 2021 Tacoma were equipped with 3 leaves in the springs, some with 4, so you'd just need to take a quick peek at what you have to determine which Timbren kit you'll need, as I have no way to look up how your truck is equipped. For a 4WD with 4 leaves in the spring pack, use # TTORTUN4, for 3 leaves use # T72FR. For 2WD vehicles with 4 leaves, use # T62FR or # T72FR for 3 leaves. This being said, the Timbren systems offer much more support than what you'd actually need to counteract...
    view full answer...
  • Do I Need Suspension Enhancement For My 2020 Toyota Tacoma TRD Off Road?
    Thanks for reaching out, Kyle. According to the online owner's manual, the 2020 Toyota Tacoma TRD Off Road has a max towing capacity of 6,500 lbs. So based on this, yes, I think you can definitely tow a 2017 Passport Ultra Lite with a 4,400 lb dry weight. I do suggest that you consider a suspension upgrade though. Once the trailer is loaded you will likely be pushing it closer to its limit for towing. A suspension upgrade will help to keep the ride level and stable. An air bag kit like...
    view full answer...
  • Comparing Leaf Help Springs And Jounce Springs For A 2023 Toyota Tacoma 4WD
    Jounce springs will sit on the frame and come into contact with the axle as the suspension compresses. Typically the vehicle manufacturer will place a rubber-type material here to prevent the harsh bump between these two components when heavily loaded or hitting rough terrain. These manufacturer jounce bumpers are usually pretty small and only get used when the vehicle is loaded down so upgrading to larger ones like SumoSprings will have them activate sooner and provide you with more load...
    view full answer...
  • Recommended SumoSprings for a 2022 Toyota Tacoma 4WD
    For your 2022 Tacoma you are going to want the SumoSprings Solo Custom Helper Springs item # SSR-612-47. These attach directly above the leaf springs so the block between your axle and leaf spring won't affect the springs function. I have linked the instructions below along with a review video.
    view full answer...
  • 2021 Toyota Tacoma Suspension Enhancement and Weight Distribution for a 2018 Airstream Basecamp 16
    Hey John, The SumoSprings Solo Custom Helper Springs # SSR-612-47 are what I recommend installing on your 2021 Toyota Tacoma because they have zero maintenance, and you'll only feel them when you actually need them, so they won't affect your unloaded ride quality! As far as a weight distribution system goes, I recommend using the Strait-Line Weight Distribution System w/ Sway Control # RP66083 and pairing it with the 2-5/16" Hitch Ball # 19286 and the Chain Hangers # RP58305 so you can...
    view full answer...
  • Recommended SumoSprings Front and Rear Suspension Enhancement For a 2020 Nissan Frontier Pro-4X
    For your 2020 Nissan Frontier Pro-4X there are 2 options available for the rear leaf spring suspension. The one you choose will depend on your usage for your Frontier. The SumoSprings # SSR-612-40 is the lighter option with a weight capacity of 1,400lbs. Do remember that these will not increase your payload or towing capacities but are designed to assist the factory suspension. These are the ones that I recommend for those that are only hauling lighter loads occasionally and don't always...
    view full answer...
  • What Suspension Enhancement do You Recommend for Reducing Sag on My 2021 Toyota Tacoma?
    You are definitely on the right track with the SumoSprings. For your 2021 Toyota Tacoma, I recommend using the SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-612-47. The reason why is because this model of SumoSprings will provide your Tacoma with 1,800 pounds of load-leveling support compared to the 1,400 pounds of support of the # SSR-612-40. This load-leveling support will definitely help decrease the 1.5 inch sag. Also, the SumoSprings # SSR-612-47 provide progressive load...
    view full answer...
  • Height of SumoSprings for 2024 Nissan Frontier
    The height of the SumoSprings Solo Custom Helper Springs # SSR-612-47 is 4-1/2". These are designed to have a 1/2" - 1" gap so if you have a lift you will need to measure to make sure they will fit. If the gap is more than 1" then they wouldn't work properly since the vehicle will have to sag even further before they engage. I have attached an installation video below for your reference.
    view full answer...
  • Recommended SumoSprings for 2018 Toyota Tacoma with TRD Package
    For your 2018 Toyota Tacoma TRD 4wd the correct Sumo Springs are the Sumo Springs Custom Solo Helper Springs # SSR-612-47, which will replace your factory bump stops with a durable microcellular urethane bump stop. These are designed to help level uneven towing loads and fight sway, and are a great addition for any truck that is towing or carrying heavy payloads. I've linked a review video of these for you to check out.
    view full answer...
  • Recommended Suspension Enhancement For 2021 Toyota Tacoma 2WD Towing 5000lb Camper Trailer
    For your 2021 Toyota Tacoma 2WD I recommend the SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-612-47 as it has a 1000lb capacity which will work perfect for towing your 5000lb camper, and will still have enough capacity to support even adding cargo to the bed. At this time we do not have a Timbren option that will work with the 2WD version of your truck, but don't feel like you are missing out. The SumoSprings # SSR-612-47 will ride quite a bit better when you are unloaded compared...
    view full answer...
  • Recommended Suspension Enhancement for 2017 Toyota Tacoma with 2" Lift
    I have a solution for you, but because SuperSprings does not offer a lift spacer for the SumoSprings, using the # SSR-612-47 may not be the best solution in this case because of your lift. Instead, I recommend using the Timbren # TTORTUN4L which can be used with lift spacers like the # A25723-90AH00, which will help compensate for your 2" lift. The Timbren system won't effect your unloaded ride quality and allow the springs ample room for movement. I've linked some brief review and installation...
    view full answer...
  • SumoSprings Custom Helper Springs For a 2024 Nissan Frontier King Cab
    You will want to select either the 1,400LB # SSR-612-40 or 1,800LB # SSR-612-47 SumoSprings Solo Custom Helper Springs for your 2024 Nissan Frontier King Cab. The only difference between these is the amount of capacity they are capable of supporting and the color of the part itself. If you are only occasionally hauling heavy loads the lighter option would work the best for you. These will have the least affect on the quality of your ride when unloaded as well.
    view full answer...
  • Rear Suspension Enhancement For A 2019 Toyota Tacoma Sport
    For rear suspension enhancement on your 2019 Toyota Tacoma I recommend the SumoSprings Solo Custom Helper Springs - Rear Axle Item # SSR-612-47. These spring are a light duty jounce style spring to help reduce the feeling of the vehicle bottoming out when weight is added. Keep in mind adding these does not increase the weigh carrying capacity of the vehicle. It is also recommended when hauling a travel trailer to use a weight distribution system. I recommend the Equal-i-zer Weight Distribution...
    view full answer...
  • SumoSprings Options For a Domestic 2019 Nissan Frontier 4x4
    For your 2019 Nissan Frontier SV 4x4 you will have two choices. Both of the kits are designed to mount with the Frontier's factory u-bolts. Do remember that these do not increase your payload or towing they only work to help assist the factory suspension and reduce sag. The first is their 1,800lb SumoSprings Solo Custom Helper Springs # SSR-612-47. Second is the 1,400lb SumoSprings Solo Custom Helper Springs # SSR-612-40. You will want to choose the kit that most closely represents...
    view full answer...
  • Will SumoSprings Kit being Engaged Slightly Due to Weight From Topper be Issue
    Hey Brent, I wouldn't worry as it sounds like your SumoSprings kit is doing it's job. The load in the bed of your truck is compressing the rear suspension to the point the SumoSpring is engaging and helping support the suspension just like it was designed to do. This won't cause any issues with it or your vehicle.
    view full answer...
  • SumoSprings Fit for 2017 Toyota Tacoma
    For your 2017 Toyota Tacoma, the SuperSprings 1,000 lb SumoSprings that you will want are part # SSR-612-47. These springs are confirmed to fit your Tacoma in both the 2 wheel drive and 4 wheel drive configurations. Part # SSR-610-40 that you were looking at is a fit for older model year Tacomas and will not fit your 2017 model.
    view full answer...
  • SumoSprings Suspension Enhancement Recommendation for 2018 Toyota Tacoma
    The SumoSprings kit part # SSR-612-47 is a confirmed fit for your 2018 Toyota Tacoma and will work great to give you additional suspension support. It will help raise the ride height when loaded as it reduces sag, but it will not increase the ride height of an unloaded truck.
    view full answer...
  • Recommended Suspension Enhancement for 2017 Toyota Tacoma 4x4 with 4 Leaf Springs
    For your 2017 Toyota Tacoma, the SumoSprings Solo Custom Helper Springs - Rear Axle # SSR-612-47 are my recommendation. This is a popular option and will give you support while fitting your 4 leaf springs. In my opinion these are better for both loaded and unloaded vehicles because they have more of the progressive load support. If you prefer Timbren which are a little more stiff which is great for loaded beds but not as great when unloaded I recommend the Timbren Rear Suspension Enhancement...
    view full answer...
  • Height of SumoSprings for 2023 Toyota Tacoma
    The height of the SumoSpring Solo Custom Helper Springs # SSR-612-47 is 4-1/2". Since you have a lift on your 2023 Toyota Tacoma you will need to measure to see if they will fit or not. There should be 1/2" - 1" gap once installed for the SumoSprings to work properly. If the space is larger that means your truck would have to sag that much more before they engage. Basically you wouldn't be getting the support you're looking for.
    view full answer...
  • Recommended SumoSprings For 2016 Toyota Tacoma Carrying 1045lb Truck Bed Camper
    I would be happy to help! Since you already have a 2000lb Hellwig helper leaf spring installed in your 2016 Toyota Tacoma I recommend going with the SumoSprings # SSR-612-40. These will give you an additional 1400lbs of load leveling support while carrying your 1045lb truck bed camper, and will not affect the unloaded ride of your truck so no need to worry about them being too stiff. I included a video of the # SSR-612-40 for you to take a look at.
    view full answer...


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