The Bilstein B12 (Pro-Kit) suspension kit for 2007 Mazda 3 Mazdaspeed is a complete front-and-rear set pairing Bilstein B8 dampers with Eibach Pro-Kit springs to provide modest fixed-height lowering and firmer handling. Progressive spring characteristics deliver precise response and strong driving dynamics. Each kit is tuned for the application to ensure even lowering between 24–40mm and predictable control.
Bilstein B12 2007 Mazda 3 Mazdaspeed Front and Rear Suspension Kit