SuperSprings International (Carpinteria, California) introduced the SumoSprings Solo Kit as a replacement/upgrade for the Sprinter’s front and rear O.E. bump stops. These products were introduced to enhance load carrying abilities, reduce sway, and improve the overall ride comfort of the Sprinter 2500 and 3500 vans manufactured by Mercedes, Dodge, and Freightliner. SumoSprings Solo – SSF-106-40 (Front kit for 2500 and …