Sprinter Suspension Upgrade Package B for 3500

The Suspension Upgrade Package B for Sprinters includes front and rear progressive SumoSprings made from micro-cellular urethane, a 1.5 inch rear sway bar, and Koni FSD rear shocks or HD Falcon 2.1 rear shocks. The Suspension Upgrade Package B includes all top brand names in suspension performance. All three major areas of your Sprinter suspension are addressed, creating a great balanced package. Also, every item in this suspension package is direct fit with minimal labor involved and no drilling or other major modifications.  The Sumo Springs are a micro cellular urethane product designed to help reduce sag and stabilize sway. They are a progressive spring with a very soft initial engagement. That means that as more weight is added, the harder they get and more they push back, providing support and control when you need it without affecting the factory ride when unloaded.  The rear Koni FSD is a frequency sensing dampener that will automatically adjust according to road conditions, wi