Bilstein B8 Performance Plus 46mm monotube front shock is a vehicle-specific damper for 2002–2006 Audi A4 applications, developed to be paired with lowering springs. It uses monotube construction and tuned valving to preserve ride comfort while improving handling when used with aftermarket lower springs, and is tested to meet or exceed OE quality standards for reliable operation.
Bilstein B8 02-06 Audi A4 Front 46mm Monotube Shock Absorber