This Progressive Load Spring Kit is a practical and efficient solution for those looking to upgrade their vehicle's suspension system. The kit includes two LP50-24778 springs, six bolts, and six locknuts, all made of durable polyurethane. Additionally, the kit contains bushings, including the LP50-24747 bushing that fits OE parts like the Hendrickson 60961-747 (Haulmaax). With its progressive load design, this kit provides a smoother ride and improved handling, making it an excellent choice for anyone looking to enhance their vehicle's performance.