The Bilstein B12 (Pro-Kit) suspension kit for 2009 Audi A6 Quattro Avant is a complete front-and-rear set that combines Bilstein B8 dampers with Eibach Pro-Kit springs to provide a modest fixed-height drop and improved handling stability. Progressive springs deliver precise response and enhanced driving dynamics. Each kit is tuned for the application to ensure even lowering between 24–40mm and predictable control on the road.
Bilstein B12 2009 Audi A6 Quattro Avant Front and Rear Suspension Kit