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Heavy payloads can make the rear of a truck sag and throw off handling. The TorkLift StableLoad Suspension Upgrade for Upper Overload Springs replaces the small factory bump stop pads with thick, angled rubber blocks that fill the gap between the upper overload springs and the frame. By pre-activating the overload springs, they engage right away instead of waiting for extreme sag. That keeps the truck level and distributes weight evenly across the suspension for better control when hauling or towing.

Uneven ground or tight curves can cause side-to-side motion and body roll that wears you out behind the wheel. The StableLoad’s angled structure maximizes contact with curved springs, and anti-rotation key tabs keep each pad locked in place. The result is noticeably less sway, bounce, and roll—especially when carrying heavy campers or loads with a high center of gravity. It gives a planted, solid feel on highways and job sites alike.


Running air bags alone can mean filling them to high psi just to stay level, which can pull too much load off the leaf springs and make handling feel floaty. StableLoads add mechanical support between your frame and springs so you don’t need as much air pressure in the bags. The two systems complement each other, keeping your factory suspension active while cutting down on porpoising and side-to-side motion under heavy loads.


This kit bolts directly onto each frame-mounted overload bump stop bracket—no drilling required. Everything needed comes in the box: four StableLoad pads plus all mounting hardware. Installation is straightforward for anyone comfortable with hand tools and a jack. Once mounted, there’s no maintenance required, just consistent support every time you load up.
Customer Satisfaction Score:
95% were satisfied with this product
5% of customers were not satisfied
Ratings & Reviews

Mike L.
6/30/2026
Let me look into that, I'll get it taken care of!

Heather A.
2/17/2025
I am happy to hear they are helping to support the suspension. The StableLoads do help to reduce sway once the sway has started. They are not designed to prevent sway unfortunately. Have you ever thought about replacing the sway bar on the Ford?


Angela
2/19/2026
No change

Craig S.
4/5/2022
After a year they are still doing what they are supposed to do and that is engage the upper overload springs sooner than the factory bump stops allowing the truck to maintain level. Hold up well even in salt and sanded roadways during northern tier winter travels.

Gwendolyn Y.
2/11/2025
Hey Larry! I'm happy to hear that the install went so smoothly. Going over railroad tracks can be brutal sometimes, but sounds like it wont be for you anymore!

Larry
2/12/2026
No issue, love it on my truck.

Ron G.
12/4/2020
Still pleased with the results.
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Lazer S.
2/24/2026
That's one heck of a set up, Mark! Glad these are helping get rid of that saggy butt! ^___^ What's next trip you have planned?