To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
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When you’re towing a trailer or hauling gear that weighs down the rear, sag and sway can make the drive uneasy. The Hellwig EZ-990 Helper Springs add up to 2,000 lbs of load-leveling support above your factory leaf springs to keep your truck sitting level and steady. With the rear end properly supported, steering, braking, and headlight aim stay consistent even when the bed’s full or the trailer’s hooked up.
Rough roads and heavy loads don’t have to mean a harsh ride. These helper springs flex with your existing leaf pack to limit bounce and body roll while maintaining stability. The added support takes stress off your factory suspension, tires, and brakes, helping them last longer while keeping your ride composed across bumps and dips.
Not every load is the same, and this setup lets you tune it how you like. The U-bolts can be adjusted to fine-tune support for different weights, and each side can be set independently to balance out uneven cargo. Whether you’re carrying heavy tools on one side or a camper in back, you can keep things level for better control.
Installing these helper springs is simple thanks to an easy bolt-on design that mounts above your leaf springs using step-style brackets that avoid contact with factory hardware. Mounting hardware is included, so a DIY setup in the driveway is straightforward without any special tools or fabrication.
Durable steel construction with a silver vein hammer-tone powder coat finish resists corrosion and holds up to real-world hauling. Once these springs are on, they’re ready for years of steady support without losing strength or reliability under load.

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 these Hellwig EZ-990 Helper Springs. Now, these springs are designed to fit your 1988 to 1998 Chevrolet and GMC C and K Series 1500 pickup trucks, and then your 2007 to 2020 Toyota Tundra. On custom fit items such as these springs, it's always a great idea to use our vehicle fit guide here at etrailer.com. Input the year, make, and model of your vehicle, and our fit guide will let you know if these will work for you or if we have something comparable that will work for you. Now, these custom helper springs have a load leveling capacity of 2,000 pounds, and they are going to install above your truck's rear factory leaf springs to reduce sway and body roll while also preventing sagging when towing or hauling light loads.
And they'll extend the life of your factory suspension, tires, and brakes. These springs will flex with your leaf springs to limit bouncing while providing optimal stability. And these U-bolts that you see here on the sides, they can be adjusted to suit different loads, and the driver's and passenger's sides can be adjusted independently for uneven loads. Now, these springs are made here in the USA of a durable steel construction, which will ensure a long lasting performance. And they feature a silver vein hammer tone powder coat finish, it's gonna help resist corrosion.
This is a bolt-on installation. Again, they're gonna install above your factory leaf springs. Mounting hardware is included, and I kinda have these laid out here just to kinda give you an idea of what they're going to look like when you have them installed. So you have the mounting hardware, you have instructions to guide you through that installation process. I do wanna point out that you don't wanna install these on vehicles with composite or plastic leaf springs, because of the durability of these springs.
If you install them on a truck with plastic or composite leaf springs, those springs could be damaged with the installation of these helper springs. Again, the weight capacity is 2,000 pounds. However, I do wanna point out that these Hellwig helper springs do not increase your vehicle's weight carrying capacity. They do have a lifetime warranty on them from Hellwig. And that's gonna wrap up our look today, I do hope that it was helpful for you.
Again, my name is Andy. Thank you for joining me.
Customer Satisfaction Score:
91% were satisfied with this product
9% of customers were not satisfied
Ratings & Reviews

Gwendolyn Y.
6/17/2025
Nice set up, Eddie! How was your most recent camping trip?

Robin H.
9/22/2026
Glad to hear it!

Brooke M.
4/29/2025
Ooo! The light dusting of snow always makes me feel like going on an adventure -- love the photos! So happy to hear these have served you well in your travels :)

Carl
2/19/2026
I bought another pick up, so I took these off my old one and installed on my newer truck, still works absolutely great. Highly recommend.


Christopher H.
8/4/2026
Glad these worked well for your Dennis and thanks for including the video!

Heather A.
4/11/2026
We currently do not have a video of this being installed on the Raptor. Do you have any questions about the install? I am happy to help you.
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Lazer S.
4/28/2026
Glad to hear they are helping, Thomas! Looks like you have a pretty good amount of weight back there as well, so that's quite the compliment! ^___^ What kind of bike is that? Couldn't tell from the picture.