Ensure your truck or trailer is Ready for the Road Ahead with enhanced comfort, stability, and control, with the Dayton Parts Full Tapered Front Parabolic 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. Constructed with a flexible body to prevent broken axles and bolts. FleetPride is your First Click in Heavy Duty .