The Hendrickson Rear Leaf Spring for Navistar / International is a high-quality replacement part that ensures optimal performance for your vehicle. This full taper spring has a spring width of 3.50" and features a single leaf design with a spring pack thickness of 1.50" With a spring capacity at pad of 20,000 lbs and a maximum load capacity of 21,000 lbs, this spring is built to handle heavy loads and provide reliable support for your vehicle. The Z-spring design of this leaf spring may indicate that it has a unique shape or construction that enhances its durability and performance. Whether you're hauling heavy cargo or driving on rough terrain, the Hendrickson Rear Leaf Spring is designed to withstand the toughest conditions and deliver superior performance. Upgrade your vehicle with this high-quality replacement part and experience the difference in handling and stability. FleetPride is your First Click in Heavy Duty®.