SuperSprings International 2800lb capacity sumosprings rear solo kit for express/savana 2500/3500

SSR-205-54 (previously SSR-205HD) SumoSprings fits rear spring suspensions on GM Express/Savana Van 2500/3500 . They bolt to the frame and replacing the existing OE Bumpstop. They will increase the capacity adding constant heavy loads. Additionally they reduce side-to-side body roll . SumoSprings are produced from microcellular urethane utilizing closed cell technology. This materials progressive spring rate creates a cushion effect providing smooth engagement and a comfortable ride. The shapes, sizes and density of the proprietary microcellular urethane material are modified to suit different load bearing and sway controlling applications. After installation SumoSpring require no adjustment and there is no modification to any original equipment leaving all factory warranty’s intact. All SumoSprings are completely maintenance free.