The Bilstein B6 Performance series is the ideal gas-pressure shock absorber for those who refuse to compromise between performance and comfort. This 46mm Monotube shock absorber provides improved stability and increased damping power for the classic Porsche 911, ensuring precise handling and O.E. quality standards. Features include: Monotube gas pressure technology, instant response to road conditions, and extreme durability. This item is sold as a single unit. Article number: 24-001694 (formerly B46-0169). Technical details: Installation side: Rear Axle; Design: Monotube Gas Pressure; Fixing method: Bottom Eye / Top Pin.