The Dayton Parts Front Leaf Spring for Mack is a high-quality replacement part that is designed to provide exceptional performance and durability. With a spring width of 4.00" and a capacity of 9,300 pounds at the pad, this three-leaf trailer spring is built to handle heavy loads and rough terrain. The taper spring design ensures a smooth ride, reducing shock and vibrations for a more comfortable driving experience. Additionally, the parabolic design helps reduce friction and eliminate squeaking and creaking, making this leaf spring a great choice for anyone looking to upgrade their Mack suspension system. So if you're in need of a reliable and long-lasting front leaf spring for your truck or trailer, look no further than Dayton Parts. FleetPride is your First Click in Heavy Duty®.