StableLoad Lower Overload with Drill Bits - A7311S
IN STOCK
The StableLoad® suspension enhancement manufactured out of stainless steel dramatically improves vehicle handling characteristics by "pre-activating" the stabilizing effect designed for rear springs by keeping them actively under load the way your vehicle factory engineers designed them to operate. It's also the only suspension enhancement that you can turn on and off with the lower leaf spring design so you can return to your factory ride when not towing or hauling.
The lower quick-disconnect StableLoad® is now available in stainless steel! The new stainless steel StableLoad® are built for tough conditions. Our engineers developed these ultra high performance suspension enhancements to handle the toughest climates and terrain.
Drill tool rental recommended for A7311S installation. Learn more.
- SKU
- A7311S
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Description / StableLoad Lower Overload with Drill Bits - A7311S
Struggling with truck sag, bed squat, side-to-side sway, and body roll? Discover the ultimate solution for your suspension needs in our exciting video. Watch as we put the most popular upgrades to the test, only to find that nothing can match the incredible performance of the StableLoad Suspension Upgrade.
How does the stainless steel lower StableLoad® work? Once you begin to tow or haul with your truck, pressure is applied on the factory overload springs of your vehicle’s suspension. The leaf springs on your vehicle are designed as a spring pack with upper and lower overload leaf springs. When the vehicle is loaded the spring pack engages. The problem is that there isn’t enough stability to support the load, resulting in poor handling characteristics. Here’s just a few you may have experienced:
- Side-to-side sway
- Body Roll
- Porpoising
- Truck Sag

An industry first, the stainless steel StableLoad® not only enhances the look of your truck to make it stand out and be the envy of other truck owners but is also non-corrosive. This means that the stainless steel will keep the StableLoad® in top condition without a layer of protective powder coat and working great to meet and exceed the toughest demands from avid sportsmen and adventurers. These suspension upgrades are always ready to push the envelope with you while keeping your family, truck and whatever you’re hauling safe.
StableLoad® Features
- The StableLoad® is the only overload suspension system that follows the two major truck manufacturing laws of suspension:
Law 1: Must be uncompromisingly comfortable as a passenger vehicle
Law 2: Must ride safely without compromising comfort while towing and hauling - Dramatically improves safety, handling, body roll and porpoising while towing and hauling
- Ability to turn on and off in seconds
- Made of stainless steel to keep the StableLoad® looking new without a layer of protective powder coat
- Universal fit for all vehicles with factory installed upper or lower overloads
- Quad contact design complements the vehicle’s specially engineered suspension that automotive manufacturers have invested millions of dollars designing, while all other rear suspension products reduce contact to only two points
- Enhances airbag performance by lowering airbag overload air pressure and activating the factory overloads
- Kit includes four lower StableLoad® (outfits one complete vehicle)
- Legendary Lifetime Warranty includes coverage for the vehicle factory leaf springs
- Proudly made in the USA
- Recommended for Safety: When hauling a truck camper, Torklift strongly recommends StableLoad to help support the load, reduce sway and body roll, and promote safer, more controlled handling on the road.
- Backed by Our 90-Day Satisfaction Guarantee: Experience the difference StableLoads make - improved stability, control, and confidence - completely risk-free. If they don't transform your ride within 90 days, return them for a full refund.
*Stainless steel available for lower StableLoad® only. When both upper StableLoad® and lower StableLoad® are used together, they can often resolve all of your towing and handling issues
**StableLoad® part numbers A7311S, C7642S, F7859S, and D7537S require a minimum of 1 inch of clearance between the StableLoad® and the tire.
Addtional Online Part Numbers:
TLA7311S Etrailer TRKA7311S Meyer 62-2479 Keystone
PATENT: Load Stabilizing devices sold under StableLoad® brand name are covered by one or more U.S. PATENTS and/or pending patent applications.
Step by Step: Torklift International StableLoad Assembly & Install
Customer Reviews
After I first installed the stable loads(along with the new upper stable loads) I took the rig for a test drive and I could tell immediately there was improvement with handling as could my wife. But I was a little skeptical, thinking I was just being overly optimistic. So I decided to wait until I had a more thorough test before writing a review.
We've been boondocking in the Southwest for the last three weeks(geographic distancing) and have been driving on a lot of bumpy roads and a lot of washboard roads, interstate and state highways, you name it. I think I've hit all the road conditions that have caused us problems in the past.
Problems I used to have that I haven't had an issue with yet:
Porpoising --- This is very surprising and fantastic. We experienced porpoising at least once during every extended drive. I'm pretty shocked that I haven't had it happen in three weeks. I really hated porpoising.
Sag - People would flash their lights at me at night because the sag caused the front to tip up enough to make it appear as though my brights were on. This is not happening any more.
Sway - We used to experience a lot of sway and this has disappeared as well. Maybe if I drive like a maniac I'll get some sway, but I'm not going to risk it.
It's such a comfortable ride now and I'm genuinely surprised. It seems like a cheap and easy fix and I don't understand why truck manufacturers don't offer this for their vehicles.