Swift Sport Spec-R Springs - Audi B8 S4 09-16Experience the perfect balance between street performance and track dominance with Swift Spec R lowering springs. Engineered to unlock the true potential of your vehicle's shocks, these springs provide unparalleled handling and precision on both the street and the track. Immerse yourself in the world of high performance driving with springs that have been meticulously track tested and fine tuned. While Swift Spec R springs boast a track focused