For the Super Duty that defines "Extra Heavy Duty," the Carli XHD Full Progressive Leaf Spring Pack is the ultimate solution for carrying constant, massive loads without punishing the driver. Engineered specifically for trucks with a constant bed load of 2,000lbs or more, this system replaces the entire jarring factory leaf spring and block assembly with a robust, full progressive pack. This design provides an incredibly supple ride while effortlessly managing extreme payloads, delivering unparalleled comfort and control for the most demanding workhorses.

Part Number: CS-FFSP-LVL-17-XHD

Features

• Specifically designed for trucks with a constant 2,000lb+ bed load (service bodies, pop-up campers, etc.).
• Provides 1" of rear lift on an F-250 with the constant load.
• Full progressive design provides the best possible ride quality for a truck that is always heavily loaded.
• Replaces the entire factory leaf spring pack, eliminating the harsh factory block and overloads.
• Includes new U-Bolts and rear bump stop drops. 37" tire fitment.