RacingLine Sports Spring Kit – Audi S3 8YSPRING FEVER. RacingLine Sport Springs should be the first upgrade to make to your new Audi S3 8Y WHAT THEY DO. If you use your new S3 8Y on a daily basis and are only looking to uprate one aspect of your car, you cant do better than our Sport Springs. They replace the cars four standard springs with re engineered, different rate and slightly shorter Sport Springs. The vehicles center of gravity is lowered, reducing body roll for better dynamics,