The Eibach Pro-Kit is a lowering spring kit for the 2002 to 2008 Audi A4 in B6 and B7 generations, covering Avant wagon and quattro variants. It is designed to lower the ride height and sharpen the handling of a car that is otherwise close to stock. Compared with a generic or budget lowering spring, a kit from a dedicated spring maker is tuned for this chassis, which helps keep the stance and handling balance predictable. Shoppers looking for a B6 or B7 A4 Avant quattro lowering spring, a B7 A4 Pro-Kit upgrade, or an Eibach A4 handling package will find the specific fitment details in the specification box below.
Before you buy, check the exact body style and drivetrain against your vehicle, since the B6 and B7 A4 share a platform but differ in several details. Confirm the part number 1584.140 against the manufacturer's current application list. Installing lowering springs usually means supporting the car safely, removing the wheels, and working on the front and rear suspension, so plan for a wheel alignment afterward and check your alignment specs before driving.
