The Bilstein B8 Performance Plus series is a high-performance aftermarket strut insert specifically designed to be paired with lowering springs. Featuring a 36mm monotube gas-pressure design, it provides consistent, fade-free handling and improved suspension dynamics for the BMW 5-Series (E34). These struts offer a significant upgrade over the factory setup, ensuring optimum adhesion and enhanced lane change stability. Note: This part is a single strut insert designed for vehicles with a 14mm top pin attachment. Package includes: 1x Front Strut Insert (P/N 34-030202), 1x Mounting Nut, 1x Screw Cap.