Eibach | Pro-Kit Lowering Springs (Audi B8/8.5 A5/S5 Sportback)Audi B8 8. 5 A5 S5 Sportback Pro Kit Lowering Springs Offering a boost in terms of both performance and aesthetics, this Pro Kit of springs is designed for the Audi B8 8. 5 A5 S5 Sportback models. The Audi B8 8. 5 A5 S5 Sportback spring kit works to lower your vehicle's centre of gravity, which in turn reduces squat during acceleration; body roll when going around corners; and excessive nosedive while braking. Each and every kit undergoes rigorous