The Dayton Parts Front Leaf Spring offers enhanced stability and control in your heavy duty vehicle. This leaf spring features a full taper design and measures 4.00" in width with a pack thickness of 3 1/16". With a capacity of 6,560 lbs at the pad, this leaf spring is designed to improve load carrying and distribute stress evenly throughout the spring, reducing the risk of cracking or breaking. This two-leaf spring is specifically designed for use on Peterbilt applications, ensuring a perfect fit and reliable performance. Upgrade your vehicle's suspension with Leaf Spring for experience improved handling and durability. FleetPride is your First Click in Heavy Duty®.