Description
SumoSprings® are a patented suspension product designed to enhance load carrying ability, stabilize sway, and improve overall driver control and ride comfort. They are maintenance free, do not leak air, and do not require airlines or compressors. SumoSprings® are manufactured in a variety of heights, diameters and densities to support multiple front and rear applications. They are manufactured from proprietary closed micro-cellular urethane providing a smooth and progressive spring rate with superior damping properties. Every SumoSpring is handmade with care, making each one unique with its own natural characteristics, such as slight color variations and surface bubbles—proof of the craftsmanship that goes into every piece. This combo kit includes one front kit (SSF-106-40) and one matching rear kit (SSR-338-47), providing a complete, perfectly paired upgrade for your vehicle.


George Pawley –
Mercedes Sprinter 3500 with a Winnie View 26V. Installed Kit # K-30-006. Also, Hellwig 7777 and Fox 2.5 rear shocks. Cost of approx. $1500 and I installed the items myself (I’m 78 years old). Now, the difference in handling, sway and overall stability is exceptional. Prior to these changes the vehicle was somewhat dangerous, now it is super to drive. I recommend these upgrades, for this model RV.
Hector Marrero –
Removed air Suspension installed spring suspension. Works great no more air leaks.