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2,500-lb Capacity. Upgrade your rear suspension by installing these helper leaf springs above your vehicle's factory leaf springs. They significantly reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads.
Features:
Specs:
Note: This kit is designed to fit a vehicle with factory top overload springs. As shown in the picture above, a top overload spring sits above the factory leaf spring pack.
These additional leaf springs add support and sway control to your existing OEM suspension. Just bolt on SuperSprings over your existing factory springs, and they automatically work when you need them. As the factory spring flexes, a roller at each end of the beefy helper spring reacts to engage the helper spring and to provide extra support. The springs help to better distribute cargo weight throughout your existing suspension, channeling that weight to the points on the frame that are designed to support heavy loads.
Placing these leaf springs above your factory springs helps to keep your OEM springs from twisting, so the SuperSprings act like a sway bar, reducing the body roll that makes driving more difficult and dangerous. With these helper springs, driving is safer and easier when it's windy, when your vehicle is rocked by a passing semi, and when you are cornering. The springs help to reduce sway by up to 30 percent. SuperSprings also allow more wheel travel in the rear suspension when they are under load, so they maintain traction and ride comfort better than rubber or polyurethane bumpers. That means they're great for drivers who frequently tow.
You can also customize the level of support provided by SuperSprings. For most models, the shackles that attach the helper leaf springs to your existing leaf springs have several installation options:
SuperSprings are a maintenance-free, low-cost alternative to air spring systems, which require constant monitoring and air pressure adjustment. These helper leaf springs respond automatically to the load you carry, so there is no crawling under your truck to adjust them. You'll also reduce wear and tear on your suspension, brakes, and tires, which saves you money. The bolt-on installation means that they are easy to fit - no drilling required.
Average Customer Rating: 4.7 out of 5 stars (162 Customer Reviews)
2,500-lb Capacity. Upgrade your rear suspension by installing these helper leaf springs above your vehicle's factory leaf springs. They significantly reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads.This was by far the easiest mod I have made to my 2019 Ford Super Duty King Ranch! Only took 45 minutes start to finish. Didn't even take the wheels off. Took some pressure off of the springs by lifting the rear end a little using the trailer hitch. Used the bottom holes on both ends and only raised the rear of the body 1 inch. Great product!
Product worked as described. Shipping was quick (etrailer used "air" to my state, then on UPS truck) Easy to install, not sure why they included 2 sets of polyurethane blocks (only one set fit my truck) Don't notice any ride difference when set at lowest setting. Raised truck approximately 3/4". East to readjust for more preload if needed. Combined these Super Springs with Timbren load handlers. So far so good. Great improvement over stock while maintaining ride quality.
Raised the bed about 1/2” after install, unloaded weight ride was not changed much. The anti sway was what I was after, towing 33’ TT and it really made a difference. Install was a breeze with wheels on. F250, thought I would have to cut up the plastic fuel tank shield on driver side. Ended up taking out the top bolt and reversing with the head in and nut outside
Instructions very generic.if I wasn't a mechanic for 50 yrs,I'm not sure I would have been able to install these. Instructions not clear and did not show anything about a Ford e450 rv
Jenny N - 11/05/2021The product worked great but shipping and instruction weren’t the best the super springs were sticking out of the box luckily all the hardware was there. For such a heavy product the thin cardboard box didn’t cut it. The instruction were very poor. Came for 5 different model years except mine
Fitment was great easy to install leveled my truck out and didn't affect the ride at all
This is the 3rd pickup I have put them on. Great product easy to install
Easy ordering and fast service 2 thumbs up
Work excellent, keeps the rear up under load. Great service at etrailer also
Fast delivery easy ordering. Thanks
Review from a similar Sway-Control in Vehicle Suspension
The Super Springs work great! I pull a 8,500# trailer with a hitch weight of 950# with a 2004 GMC Sierra 1/2 Ton. The truck pulls fine but even with an equalizer hitch still had some sag. The Super Springs were easy to install and leveled the rig. After a year everything still works great.
Howard - 11/09/2020Review from a similar Sway-Control in Vehicle Suspension
I installed the springs in conjunction with the SumoSprings on my 2017 Sierra 1500 4X4. I took the wheels off and start to finish was less than an hour and a half. Very well thought out design and easy to install. The initial setting raised the back end 1.75" and was not quite stiff enough so I moved the front bolt up to the top hole, this gave me 2-1/4" lift at the wheel wells. It took the weight off the overload springs that was always loaded before. With the camper (8000 lbs) and distribution hitch the truck was barely on the overloads with the SuperSprings and then the SumoSprings kicked in as well. Between the two upgrades we towed 900 miles after the install and handling and body roll were drastically improved. USA made product that is well designed and made. Would definitely recommend either the SuperSprings or the SumoSprings as a must have upgrade if you tow a lot with a lighter suspension vehicle.
Review from a similar Sway-Control in Vehicle Suspension
The spring system itself is a great product, but I’m using these on a 2021 F-150. In 2021 ford went to a mono spring design that has less arch in its resting state. I called superspring prior to ordering to verify this was the correct product and was told this was the one. After installation the springs walked all over the place under normal driving conditions and had to be constantly removed and re-situated. I’ve since had to use industrial glue to attach the spring to the rubber block that it rests on and that has solved the movement issue but in my opinion this is something that should not need to be done if the product was actually made for my vehicle. however, from a functionality standpoint they work well once they are actually held in place.
Jenny N - 03/22/2022Review from a similar Sway-Control in Vehicle Suspension
I bought this item for my 20 year old 37' motor home. Over the years the rear end has "squatted" down some and due to the weight of the frig, washing machine, and a small freezer all being on the passenger side, it was lower on that side. Installation was not the easiest thing, but this 70 year old was able to do it by myself, even on a gravel driveway. Installation instructions are good. Besides the drive axle, my rig has a second, "drag" axle, whose tires I had to remove to do the job. I also had to re-route a propane line. The hardest part was Step 7: "Using a heavy duty C-Clamp or SuperSprings installation tool, pull down rear of SuperSpring and install bolt,..." I used 2 C-Clamps and it was pretty tricky. I'm not sure what the price of their special tool is and I don't think etrailer sells it. I used the bolt hole that gave me the maximum lift on the passenger side and the first hole on the driver's side. The completed installation did accomplish my goal of leveling the motor home. These springs are really heavy-duty and very good quality. I have no complaints.
Richard F - 08/30/2021Review from a similar Sway-Control in Vehicle Suspension
If you watch the video on installation from the model - SSA13MXKT, you will see how to install them, that's why I don't have any pictures. It took me about 2-1/2 hours to install. The brackets were a plated color and I painted everything black before installed them. My truck was pretty clean underneath so I think they look better. I installed them on a 2019 GMC Denali HD 2500 Duramax. As far as handling, after the install, I did not notice too much difference empty. But - when I had my 5th wheel hooked up, there was a difference, not a significant amount, but a difference. My pin weight on the trailer is roughly 1,350 lbs. also. Now for the dimensions here is what I got - I would say, these dimensions are within an 1/8". The dimensions were taken from the center of the tire to a line on the truck, front and rear. BEFORE INSTALL - Rear - 43" Front - 40-1/8" AFTER INSTALL - Rear - 44" Front - 40-1/16" WITH MY CAMPER HOOKED UP 1,350 lbs. Pin Weight (CAT Scale Certified) Rear - 42-5/8" Front - 40-1/8" As you can see, it dropped the truck down 1-3/8". Before the install my truck would "squat" approximately 2-1/2" So, they made a big difference, an 1-1/8" difference. Before the install, the front was about (I never got a good measurement on that) 41".
Conrad - 08/19/2021Review from a similar Sway-Control in Vehicle Suspension
Just put on super springs 2019 f150 for towing a camper that is awful in wind. The installation was easy. Hoping the springs help with a stable ride. I will update when I get the camper out of storage.
Review from a similar Sway-Control in Vehicle Suspension
Had a pro install them to the center hole like Manufacturer suggest, rides a little firmer which I like not sloppy, Have not towed yet but looking forward to it! Great products and fast shipping.
Review from a similar Sway-Control in Vehicle Suspension
Installed on a 2016 Toyota Tundra. I pull a 28 foot aluminum frame utility trailer. Hauls like a 3/4 ton with super spring. Rides like 1/2 ton without load. I have put 1 ton load on truck with no trailer and the truck drove fine. The front of truck at tires rose 1/2 inch. Installation requires the frame to be lifted off the axel.at rear of vehicle. I like this system better than air shocks as there is no adjustment after installation. I would purchase again.
Review from a similar Sway-Control in Vehicle Suspension
Very pleased with the performance. Back of the truck sits a little higher when unloaded, and rides about the same (subjective though; I imagine some people would notice a difference). And when fully loaded the truck no longer squats in the back.
Marvin - 04/20/2022Review from a similar Sway-Control in Vehicle Suspension
The springs were easy to install with wheels still on the vehicle. They did increase the overall height of the rear end of the truck by 1-2 inches. I noticed an improvement in ride with my travel trailer.
Review from a similar Sway-Control in Vehicle Suspension
I got this to prevent bottoming out my truck when towing our travel trailer. Won't know for sure if this actually works until we load up. Having said that, the instructions provided with this are poor and talking with Supersprings tech support was frustrating. As mentioned elsewhere, you will need two "C" clamps to pre-load the spring and I wound up fabricating a 3" extension bracket for the brake lines; neither of which were mentioned in the instructions. I also removed the wheels to provide working space and air tools are definitely the way to go. On my '13 Tundra, the distance between the stock spring pack straps is 40" the same as the distance between the eyes on the Superspring. I was advised that the spring is mounted off-center to avoid conflict with the stock spring straps; however this in not mentioned in the instructions. This placed the Superspring about 4" forward of the center of the axel instead of centered on the axel. (see photos) This seems counterintuitive to me but we'll see. This added 1.5" in height to the rear of the truck. It took me 4 hours to install by my self, including time to fabricate the brake line extensions and dealing with Supersprings staff twice on the phone. During the second call, the tech mentioned that they get a lot of phone calls for Tundra installs, indicating to me that they already know there are issues with the product and instructions. In retrospect, I would look for a new spring pack if I was doing this again. Hopefully my suspicions are unfounded but I'm hanging on to the box just incase. Etrailer was great with the best price anywhere and quick shipping.
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