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Heavy trailers or bed loads can make a truck squat and lose stability. The TorkLift StableLoad Suspension Upgrade for Upper Overload Springs replaces small factory bump stop pads with thick 2-1/2" blocks that pre-activate your upper overload springs. This fills the gap between the spring and frame so the overloads engage right away instead of only when the rear sags. The result is a level stance, better weight distribution, and steadier handling when hauling serious weight.
When a load shifts or a curve pushes your truck around, these StableLoads keep things in check. The angled wedge design maximizes contact with curved springs to reduce side-to-side sway, porpoising, and body roll. In testing with 2,800 lbs of payload, trucks equipped with these pads showed clear improvement compared with stock suspension or air bags alone. Steering feels tighter, turns stay flat, and the ride stays composed even on uneven ground or over speed bumps.
If you already use air helper springs, adding StableLoads helps both systems work together. By taking some of the stress off the air bags, you won’t need to run high psi pressures that can make the ride harsh or unload your factory suspension. The StableLoads share the load so your truck’s suspension still does its job—improving stability and control while cutting down on bounce and sway under heavy loads.
Installing extra suspension support doesn’t have to be complicated. Each kit includes four StableLoad pads and necessary hardware that bolt directly to the frame-mounted overload bump stop brackets—no drilling required. Anti-rotation key tabs keep the pads secure once installed. It’s a straightforward setup that fits right for anyone comfortable with basic hand tools and wants a quick weekend upgrade.
Customer Satisfaction Score:
85% were satisfied with this product
15% of customers were not satisfied
Ratings & Reviews

Jim C.
5/23/2023
Very much satisfied with the torqlifts stable loads. Really noticed the improvement in sway and sag.

Richard
8/16/2023
They work very well.

Klaus
11/11/2023
These are very simple devises and work as expected.
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Wes
6/22/2017
Product still functioning well. Glad I purchased.