The Dayton Parts Front Leaf Spring is a high-quality replacement part that is designed to meet or exceed OEM specifications. This full taper spring has a width of 4.00" and a spring pack thickness of 2-1/8", making it a perfect fit for your Kenworth or Peterbilt truck. The two leaves in this spring pack are carefully crafted to provide maximum support and durability, ensuring that your vehicle is always performing at its best. With a capacity of 5,400 lbs at the pad, this leaf spring can handle heavy loads and tough terrain with ease. Whether you're hauling cargo or driving over rough terrain, it will provide the support and durability you need to get the job done. FleetPride is your First Click in Heavy Duty®.