The Dayton Parts Front Leaf Spring for Mack is the perfect addition to any heavy duty vehicle. With a spring width of 4.00" and a spring pack thickness of 6.50", this 10-leaf spring is built to last. Its spring capacity at pad is an impressive 10,500 lbs, making it capable of handling even the toughest loads, significantly improve the suspension's overall performance. This will reduce the need for frequent repairs and maintenance, saving you time and money in the long run. It's designed to withstand extreme weather conditions and rough terrain. Whether you're driving through snow, rain, or mud, this leaf spring will keep your vehicle stable and secure. Investing in this leaf spring is a smart choice for any heavy duty vehicle owner. Its durability, strength, and performance make it a top choice for those who demand the best from their vehicles. FleetPride is your First Click in Heavy Duty®.