The Dayton Parts Rear Leaf Spring for Kenworth / Peterbilt is designed to provide superior performance and durability on the road. This full taper spring boasts a spring width of 3.00" and features three leaves with a spring pack thickness of 4.56". With a spring capacity of 38,000 lbs at the pad, this spring is built to handle heavy loads with ease. The tapered design of this leaf spring requires less maintenance than traditional springs, reducing downtime and labor costs associated with repairs and upkeep. With a load carrying capacity of 7,800 lbs, this spring is sure to provide reliable support for your truck's suspension system. This parabolic spring is specifically designed for Peterbilt applications, ensuring a perfect fit and maximum performance. Upgrade your truck's suspension system with the rear leaf spring and experience improved handling, reduced maintenance, and Increased load carrying capacity. FleetPride is your First Click in Heavy Duty®.