SumoSprings adapt automatically to changing loads, helping your vehicle stay level, predictable, and protected. Whether you're carrying heavy tools in a work van, towing an RV cross-country, …

SuperSprings Trailer SumoSprings for Trailer Axle with 5000-8000 GAWR, Spring-Over Axle Configuration | 1000 lb Capacity at 50% Compression | 4-Pack, Made in The USA | TSS-107-47

Unlike traditional suspension helpers, SumoSprings are crafted from micro-cellular urethane—a super-dense foam that captures air in millions of tiny cells. This cutting-edge design provides a …

Now put those worries in the rearview mirror with the advanced, built-tough SuperSprings SumoSprings Kit. This air-less “airbag” suspension design retains its critical shape to keep …

SumoSpring load support springs for snow plow, winch, or aftermarket bumpers. Call 1 (877) 774-6473 for free shipping on all Sumo Springs for your truck, suv, or van.

SumoSprings are manufactured from proprietary closed micro-cellular urethane that captures air inside millions of air pockets, providing a smooth and progressive spring rate, and will not leak …

SumoSprings are an airless suspension enhancement designed to level loads, reduce sway and improve the ride and handling on trucks, vans, buses and RVs. The more you load them the …

Jun 3, 2025 · Let’s unpack why SuperSprings leans on MCU (the magic behind every SumoSprings bump stop) and why your next suspension upgrade should, too.

Whether you're pulling your family's 5th wheel or just towing a utility trailer, SumoSprings end sway and reduce vibration by 68%. Tough enough for commercial vehicles but designed for …

Founded in 1996, SuperSprings International, Inc. has developed a patented line of suspension products that solve many of the handing problems associated with loads carried by passenger …