Falcon 2.1 Monotube ShocksFalcon 2. 1 Monotube Rear Shocks are designed to provide increased comfort and vehicle control for your Sprinter 3500 2WD. With custom tuned shocks, you'll experience a smoother ride on washboard roads and reduced sway on uneven surfaces. The bounce over large bumps is reduced, and side to side sway is minimized. Each set of Falcon shocks is specifically tuned for your van's weight. Say goodbye to the stiff factory ride and hello to a more enjoyable