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Heavy loads can make the back of your vehicle squat and throw off your steering and braking. These SumoSprings Solo Custom Helper Springs add up to 1,500 lbs of rear support at 50-percent compression to keep your ride level when towing or hauling. They help your factory suspension carry the weight evenly so the front tires keep proper contact with the road, handling stays predictable, and your headlights stay aimed where they should.
Every bump and rut hits differently, especially when loaded down. The microcellular urethane springs compress according to the weight of your cargo—softer at first for lighter loads and firmer as weight increases. That progressive action cushions bumps, reduces harsh jolts, and keeps the ride smooth whether you’re running empty or fully packed.

When uneven pavement or a sharp curve tries to tilt your rig, each spring works on its own side to balance things out. This independent action helps cut down body roll and sway so your vehicle feels planted on the highway, through turns, or when a crosswind kicks up.
These urethane helper springs are simple and built to last. They install with no drilling, need no airlines or air pressure checks, and resist oils, road salts, and UV rays. With vertical compression that limits side expansion, they fit tight spaces safely and keep working season after season without extra upkeep.
Customer Satisfaction Score:
96% were satisfied with this product
4% of customers were not satisfied
Ratings & Reviews

Charles
3/21/2024
Still happy after a year great product
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Don
9/20/2023
Simply put, this addition dramatically improved my 26Ys handling