The Bilstein B6 4600 series shock absorber is designed as a direct fit upgrade for 2017-2018 Nissan Titan RWD models. These monotube gas pressure shocks are specifically engineered to help your truck reach its pinnacle in ride performance and handling, while still providing the comfortable ride that is expected from a daily driver. The 46mm diameter piston provides consistent, fade-free performance in various conditions. This product includes: 1x Bilstein B6 4600 Monotube Shock Absorber (Part Number: 24-268219), including necessary bushings and washers for installation.