The Bilstein B8 Performance Plus series is the ideal high-performance shock absorber for drivers who demand superior handling and stability when using lowering springs. This 36mm Monotube gas pressure shock absorber is specifically designed for the BMW 3 Series (E30) with a 45mm outside strut diameter. Features include: Monotube gas pressure technology for instant response, high damping power for precise handling, and a shortened stroke optimized for sport suspension kits. This part is sold as a single unit. Included in the package: 1x Front Shock Absorber (Art. No. 34-003350), 1x Mounting Nut, 1x Retaining Ring.