The bilstein b8 5100 series is perfect for lifted trucks and SUVs. due to their larger tires and heightened stance, lifted vehicles place extra demands on a shock absorber‘s damping ability. the b8 5100‘s monotube design and patented digressive valving are uniquely suited to confront these demands. on or off-road, loaded or unloaded, the bilstein b8 5100 shock absorber instantly reacts to changing road inputs to maintain a stable, controlled, and comfortable ride.