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, or …

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 smooth and …

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 your load perfectly …

SuperSprings Set of Rear SumoSprings fits 2004-2025 Sprinter 3500 and 2017-2025 Sprinter 4500 (2WD Only) | 1400 lb Capacity at 50% Compression | Simple Installation

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 and never …

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 more …

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 daily comfort, Coil …

What sets SumoSprings apart from rubber bump stops is their identity as progressive springs, delivering support precisely when needed while preserving your factory ride quality.