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When the back end squats under a trailer or a full bed, these SuperSprings helper leaf springs step in with up to 6,800 lbs of extra rear suspension support. They bolt on above your existing leaf springs to keep the truck level and prevent bottoming out while towing or hauling. The rollers at each end engage automatically as the factory springs flex, so you get more lift only when it’s needed—no air lines, valves, or adjustments to worry about.
Strong crosswinds, passing semis, or tight corners can make a loaded truck lean and sway. These helper springs act like built-in sway bars, keeping your factory springs from twisting and reducing body roll by up to 30 percent. That steadier stance means better control on highways and mountain roads, even when the load shifts or conditions get gusty.
Not every load is the same, so these SuperSprings give you ways to fine-tune support right from the start. Use the upper bolt holes for more lift and firmness if you’re always carrying weight, or the lower holes to keep close to the factory ride when you’re mostly running empty. You can even set one end higher than the other for a balanced middle ground between comfort and support.
With no drilling required, these springs bolt straight onto your factory leaf pack using included shackles and poly spring pads where needed. There’s no air pressure to monitor and nothing to service later—they just work automatically whenever the load flexes your suspension. Once installed, they quietly do their job trip after trip, helping extend the life of your brakes, tires, and factory suspension while keeping your ride stable and level.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi everybody, Andy here with etrailer.com. Let's take a look at this Super Spring custom suspension stabilizer and sway control kit. Now this kit is going to fit various years, makes and models of different types of motor homes. So take advantage of our vehicle fit guide here at etrailer.com. Insert the year, make and model of your vehicle and our fit guide will confirm if this kit will work for you or if we have something comparable that will work for you. These Helpers leaf springs have a weight capacity of 6,800 pounds and these are going to install above your vehicle's factory leaf springs to reinforce your vehicle's rear suspension to help prevent sagging and reduce sway by up to 30%.
These are gonna work like sway bars to stabilize your OEM springs and keep them from twisting. And these are also going to compensate for windy conditions, wind turbulence from big rigs and weight shifts from cornering. These are going to help lift your vehicle when you are carrying a heavy load to help prevent bottoming out. And these are going to extend the life of your brakes, your tires, and your factory suspension. Now I'd like to take a closer look here at this part of the kit.
These springs will adjust automatically to your payload. The rollers on each end of the Super Springs activate when your OEM Springs flex under the load and the rollers will deactivate when your OEM Springs aren't under a load. These springs can can be customized. The shackles attaching the Super Springs provide several options for installation. You can choose a setting that increases load support and ride height for constant heavy loads or to compensate for minor spring fatigue in an older vehicle.
Or you can choose a setting that maintains the original factory ride conditions and minimizes effect on unload ride quality and height. And you can choose a medium setting that balances support, height, and ride comfort. Now these springs are made here in the USA. They are going to install relatively easily and simply you're just going to bolt them on, bolt 'em above rather your existing factory springs. And what's nice about this kit is you're not gonna have to worry about drilling.
No drilling is required. Now, for some models with factory springs that sit above the axle, the included poly spring pads that you see here are going to help prevent shifting, and the dense polyurethane blocks are going to seat between the top of the factory springs and the underside of the Super Springs. Now these are going to require no maintenance. You don't have to worry about things like tubing or air pressure to monitor like with air springs. And again, I mentioned that the weight capacity is 6,800 pounds. But just be aware that Super Springs do not actually increase your vehicle's weight carrying capacity. So you wanna make sure that you're not exceeding your manufacturer's limits. These do have a limited lifetime warranty and instructions are included to guide you through the installation process. Well, I think that's gonna wrap up our look today. I do hope that our time together was helpful for you. Again, my name is Andy. Thank you for joining me.
Customer Satisfaction Score:
93% were satisfied with this product
7% of customers were not satisfied
Ratings & Reviews
John
9/3/2026
The product works great after a year. I highly recommend the super springs for any heavy loads. After they are installed you never need to worry about the load.
Jerry B.
9/3/2026
Gwendolyn Y.
4/23/2026
Thanks for your feedback, Bob! We’re glad to hear the shackles made a noticeable improvement in your ride quality. We appreciate you pointing out the fitment challenge and the issue with the instructions, I'll pass it on to SuperSprings.
Javier G.
10/21/2025
They are working out fantastically! Now we dont bottom out and damage the sewer dump. Weve been all a long road trips and nothing is bothering us now in regards to suspension.
T
3/6/2026
Works great towing and seems to help with some sag and roll. I use them along with airbags so towing my fifth wheel is now worry free.
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Nick S.
12/1/2025
That is great to hear! I am glad this addition has worked well for your setup. What RV do you have that you added this too?