At Lippert, we help you take the guesswork out of replacement parts by providing direct replacement components that will get your rig and your equipment up and running like usual. Our replacement slipper leaf springs will help get your RV's trailer suspension back to operating in no time. Leaf springs use a flexing action when you go over bumps or rough roads to smooth the trailer ride. Upgrade the capacity or replace the shock-absorbing component for your trailer axle with a quality slipper spring from Lippert. As an exact-match component, this product will install just like your original equipment. This is a replacement slipper leaf spring for RV trailer suspension systems. Please reference your original equipment label before purchasing.