Every SumoSpring is crafted by hand with precision, making each one unique with subtle color variations and tiny surface bubbles that reflect the quality and care behind each unit.
Unlike traditional rubber bump stops or airbag systems, SumoSprings are a patented, maintenance-free suspension enhancement.
Engineered to boost load-carrying capacity, SumoSprings stabilize sway and improve hauling comfort without the need for airlines or compressors.
Designed to fit a wide range of front and rear trailer applications, SumoSprings are available in multiple heights, diameters, and densities.
Constructed from proprietary closed-cell micro-cellular urethane — a durable, high-performance material that provides a smooth, progressive spring rate.
This allows the system to respond softly when the trailer is unloaded and then automatically firm up as weight increases, keeping your trailer level, stable, and controlled.
SumoSprings help eliminate rear sag, minimize vibration, and soften harsh rebounds, all while preserving factory ride comfort.
Resistant to water, salt, and extreme temperatures, they’re built to last and require no ongoing maintenance.
The TSS-107-40 pairs seamlessly with your factory suspension system.
Will not work on spring plates wider than 4.25 inches.
TSS-CTP is also needed for trailers with springs not directly under the frame rail.
One kit per axle.
