The Bilstein B6 Rear Shock for Subaru Liberty Gen 4 AWD (2003–2009) is a heavy-duty performance upgrade engineered to match OEM ‘Spec-B’ specifications. Designed for standard ride height, this rear shock delivers improved damping control, enhanced stability, and long-term durability. Built with Bilstein’s monotube gas pressure technology, it provides consistent performance, sharper handling, and superior ride comfort—ideal for daily driving and spirited use without compromising reliability.