The Bilstein 4600 Series (B6) shock absorbers 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. This part is a single shock absorber (Art. 33-286518). Features: Monotube gas pressure technology, easy to install, direct bolt-on; no modifications required. Designed for vehicles with 0 inches of rear lift (Standard Height). Includes: 1 x Gas Shock Absorber Unit 33-286518.