Bilstein B12 Pro-Kit suspension kit for 2005 Audi A4 Base is a complete front-and-rear package that pairs Bilstein B8 Performance Plus dampers with Eibach Pro-Kit springs to deliver fixed-height lowering and improved handling. Tuned to this application, the progressive springs provide even 24-40mm lowering, precise response and predictable control for a balanced improvement in ride quality, handling and visual stance.
Bilstein B12 2005 Audi A4 Base Front and Rear Suspension Kit