Progressive / Auxiliary Load Spring Kit

The Progressive/Auxiliary Load Spring Kit is a practical and efficient solution for weight bias vehicles. Made of durable polyurethane, this kit includes an auxiliary load spring, a progressive load spring, bolts, locknuts, and bushings. It fits OE parts like the Hendrickson 60961-746 (Haulmaax) and is sold as a complete kit for easy installation. This kit is designed to improve the vehicle's load-carrying capacity and provide a smoother, more controlled ride, making it an essential addition for those looking to enhance their vehicle's performance and handling.