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Self-adjusting suspension helper spring kit mounts to existing rear leaf springs to provide added load support. The springs deliver up to 3,000 lbs of additional load-leveling capacity without manual adjustment.
When the weight piles on, your truck shouldn't squat or sag. The SuperSprings Custom Suspension Stabilizer and Sway-Control Kit adds up to 3,000 lbs of rear suspension support by mounting directly above your factory leaf springs. The helper springs automatically engage as the load increases, lifting the rear end to maintain level ride height and steering control. No air lines or adjustments - just bolt them on and let the springs do the work whenever you're towing or hauling.
Crosswinds, passing semis, and weight shifts in a corner can make your rig feel like its fighting back. These helper springs act like built-in sway bars to keep your rear suspension from twisting, reducing body roll by up to 30 percent. By reinforcing the factory leafs, they make the vehicle feel more planted when towing or traveling over uneven roads, keeping you steady and in control when it matters most.
Every load sits a little different, and these springs let you match your setup to what you're carrying. The adjustable shackles offer several installation options - choose more support and ride height for constant heavy loads or a lower setting to keep the original ride quality when unloaded. There's even a middle setting that balances comfort, support, and height for mixed use.
Adding serious load support doesn't have to be complicated. This kit bolts right above your existing leaf springs with no drilling required. For models with springs mounted above the axle, dense polyurethane spring pads are included to prevent shifting between the SuperSprings and factory springs. It's a straightforward way to reinforce your suspension without adding maintenance or air systems to monitor.
Once installed, these helper springs take care of themselves. There are no airlines, compressors, or valves to adjust - just solid mechanical support that automatically reacts when your suspension flexes under load. You'll get better stability, longer suspension life, and consistent performance trip after trip without having to crawl under the truck to make changes.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi, everybody. Andy here with etrailer. Let's take a quick look together at the SuperSprings Custom Suspension Stabilizer and Sway Control Kit. Now this kit is designed to fit your 2025 and newer Chevrolet Silverado and GMC Sierra 1500s with both the two-wheel or four-wheel drive additions. And so this system is designed specifically to fit those trucks, and so being that that's the case, this is going to bolt right onto existing factory mounting points. So what that means for you is no drilling or complicated modifications.
And once this is installed, this is gonna be able to give you up to 3,000 pounds of load support, which is gonna help keep your truck level and prevent rear end sag when you're towing a trailer or hauling heavy cargo. Now one of the biggest advantages is that this is going to work automatically. Unlike airbags, there are no airlines, no compressors or pressure checks to maintain, the suspension is going to engage when you need it, and it's gonna stay outta the way when you don't, making it a true set-it and forget-it upgrade. You're also going to notice better stability while you're out on the road. By reducing sway by up to 30%, your truck is gonna feel more controlled during highway driving, lane changes and cornering, especially when it's loaded down.
Now, if your hauling needs to change, these adjustable shackles are going to let you fine-tune the amount of support. That means you can get it set, you can set it up for constant heavy loads, or you can dial it back if you only tow or haul occasionally. Installation's gonna be pretty straightforward. And again, this is a fully bolt-on installation mounting above your factory leaf springs. That's gonna help save time and effort.
But just keep in mind, that while this improves ride quality and load support, it does not actually increase your truck's official weight carrying capacity. So you always wanna make sure that you're staying within your manufacturer's recommended weight limits. And this system is designed to work with a suspension that's already in good condition, good working order. Instructions are gonna be included to guide you through the pretty simple installation process. But if you happen to have any other questions, whether it's about this or anything else that we have here at etrailer, don't hesitate to reach out.
We wanna make sure that you're getting exactly what you need. Well, again, my name is Andy. Thank you for joining me.
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