Sprinter SuperSprings Steel Helper Springs

SuperSprings for Sprinter 2500 2wd or 4wd and 2wd 3500 and 4500 vans. SuperSprings are a simple, bolt-on, steel helper spring that can improve rear-end sag and help stabilize sway & body roll. Great for heavy RV's, contractor vans, and towing.   The patented roller system on the spring ends allow for good flex (see 3500 note below). As the factory springs flatten under load the helper spring ends are able to slide or roll to their new location rather than dragging or causing friction. This helps eliminate binding that causes poor flex and limits travel of the suspension, which can result in a hard or harsh ride. That is why many traditional add a leafs, helper springs or assist springs have a bad reputation for creating a brick hard ride. The roller system also allows tension between the factory springs and the Supersprings, this keeps the product from rattling. Smooth, quiet, and strong. All steel helpers springs will firm an unloaded vehicle to some extent. For loaded vehicles yo