Outfit your truck or trailer to be Ready for the Road Ahead with enhanced comfort, stability, and control, with the Dayton Parts Rear 9-Leaf Spring. Due to its layered design, this replacement component is the ideal choice to provide additional support to the front, center, or rear of a vehicle to absorb shocks and minimize vibrations. Engineered with a flexible body to decrease the chance of broken axles and bolts. FleetPride is your First Click in Heavy Duty .