BILSTEIN 4600 Series Shock Absorbers and Struts are designed specifically to help your stock height truck, van or SUV reach its pinnacle in ride performance and handling, while still providing the comfortable ride that has come to be expected from the name BILSTEIN. *Features and Benefits:* * Monotube gas pressure technology * Easy to install; direct bolt-on; no modification required * Improved control and stability, precise handling, ultimate performance, and incredible comfort * BILSTEIN’s unique piston design offers greater sensitivity and superior vehicle control * Lifetime Warranty