Rear sag shows up fast when you hitch a trailer, load the bed, or throw a bunch of gear behind the axle. The truck squats, the steering feels lighter, braking feels less confident, and the whole rig can feel like it wants to wobble. That is not “just how trucks drive.” It is your rear leaf springs getting pushed past what they can comfortably support.
Hellwig Helper Springs fix that problem by adding extra rear support without replacing your factory leaf pack. You keep your truck’s normal ride when it is unloaded, then get the support you need when the weight shows up.
What Hellwig Helper Springs Do
Helper springs (sometimes called overload springs) sit on top of your existing rear leaf springs. Their job is simple: help the suspension carry weight so the truck stays closer to level and stays more controlled.
- Reduce rear sag and the “squatted” stance
- Improve stability while towing and hauling
- Help braking and steering feel more consistent under weight
- Reduce bottoming out on dips, driveways, and rough roads
How Hellwig Gets You Support Without Ruining Your Empty Ride
Most Hellwig helper spring systems use a progressive approach. In plain English, they are designed to do very little when you are driving empty, then do more work as the rear suspension compresses under trailer tongue weight or payload. That means you do not have to “pay” for towing support every day with a stiff, unpleasant ride.
Many kits also allow adjustment so you can tune support to match what you actually tow or carry. If you haul uneven weight, you can often adjust side-to-side to level the truck left to right.
Spotlight Application: 2019–2022 Silverado 1500 and Sierra 1500
If you drive a 2019–2022 Chevrolet Silverado 1500 or GMC Sierra 1500, Hellwig offers a Pro Series style helper spring solution built for real towing and hauling. On this platform, the goal is to keep the rear of the truck from dropping too far under weight, which helps the truck stay predictable and planted.
One popular option is the Hellwig 61917 helper spring kit, rated for up to 2,500 pounds of level-load support.
- Part: Hellwig 61917 Helper Springs
- Capacity: Up to 2,500 lbs level-load support
- Purpose: Reduce rear sag and improve stability under trailer or payload weight
Always confirm fitment for your exact truck configuration and how it is equipped. If you are not sure, that is what we are here for.
Shop Hellwig 61917 Helper Springs
When You Should Add Hellwig Helper Springs
Helper springs make sense if you regularly deal with any of the issues below.
- Your truck squats when you hook up a trailer
- You haul tools, materials, or gear that makes the rear sit low
- Your truck feels unstable in crosswinds or when passing large vehicles while towing
- You want a bolt-on load support solution without adding an air system
What You Will Notice After the Upgrade
Most owners notice the difference immediately, especially with a trailer attached.
- More level stance while towing or hauling
- Less sway and less “float” from the rear suspension
- More consistent steering feel
- Better overall control on dips, uneven pavement, and highway transitions
Installation and Build Quality
Hellwig helper springs are designed as bolt-on upgrades and typically install with basic hand tools. Kits include the hardware needed for installation. Hellwig also builds its products in the USA and backs steel components with a lifetime warranty.
Shop Hellwig at Shockwarehouse
If you tow, haul, or work your truck hard, Hellwig helper springs are one of the most practical upgrades you can make. They help your suspension carry weight correctly, keep the truck closer to level, and make towing feel more controlled.
