Product Details: The Automann Leaf Spring is a reliable and durable suspension upgrade for your vehicle. With a spring width of 4.00" and a spring pack thickness of 5-15/16", this leaf spring is designed to provide a smooth and comfortable ride. It has a spring capacity of 9,300 lbs at pad, making it strong enough to handle heavy loads. Made of high-quality materials, this leaf spring is built to last. It includes all necessary components for easy installation, so you can have it up and running in no time. The use of high-quality materials and construction ensures improved ride quality, making your vehicle safer and more reliable. With no modifications required, this leaf spring is easy to install and provides improved vehicle safety and reliability. FleetPride is your First Click in Heavy Duty®.