The Dayton Parts Front Leaf Spring is for the Kenworth and Peterbilt trucks. It's designed to withstand heavy loads and provide reliable performance for your truck. The full taper design ensures greater strength, durability, and stability, making it ideal for rugged terrain and heavy duty applications. With a spring width of 4.00" and three leaves, this front leaf spring provides a comfortable and stable ride for your Kenworth truck. It is engineered to meet or exceed OEM specifications, ensuring a perfect fit and optimal performance. Whether you're hauling heavy loads or navigating rough terrain, this leaf spring from Dayton Parts is built to handle the toughest conditions. It is made from high-quality materials and rigorously tested to ensure long-lasting durability and reliable performance. If you want a leaf spring that can handle the demands of your truck, choose Dayton Parts. With their commitment to quality and performance, you can trust that your truck will be in good hands. FleetPride is your First Click in Heavy Duty®.