The Dayton Parts Front Leaf Spring has a spring width of 4.00" and 10 leaves. This leaf spring is built to handle heavy loads and provide superior stability and handling. The spring pack thickness of 5-7/16" and a spring capacity at pad of 9,100 lbs ensures that this leaf spring can withstand the toughest conditions and provide reliable and long-lasting performance. Whether you are hauling heavy loads or driving on rough terrain, the Dayton Parts Front Leaf Spring is the perfect choice for your heavy duty vehicle. FleetPride is your First Click in Heavy Duty®.