~(8 lbs. 10X7X4)~ SumoSprings Rear for Chevrolet Silverado 25003500 GMC Sierra 25003500

The SuperSprings SSR-211-40 SumoSprings are a patented suspension product designed to enhance load carrying ability, stabilize sway, and improve overall driver control and ride comfort. These maintenance-free, one-piece units replace factory bump stops and do not require airlines or compressors. They are manufactured from proprietary closed micro-cellular urethane, providing a smooth and progressive spring rate with superior damping properties. Each SumoSpring is handmade and has a capacity of 1000 lbs at 50% compression. They compress up to 80% of their original height with full memory rebound, and are proudly made in the U.S.A.