The Bilstein B6 4600 Series mono-tube gas pressure shock absorber (part number 24-185981) is specifically engineered to help your 4WD Ford Super Duty reach its pinnacle in ride performance, handling, and stability. These shocks feature a high-pressure nitrogen gas chamber and a 46mm piston for consistent, fade-free performance. Designed for vehicles with stock ride height, they provide superior control compared to conventional twin-tube alternatives. This product is sold as a single unit. Included in the box: 1x Shock Absorber (24-185981), 1x Mounting Hardware Kit, 1x Installation Guide.