Watch the Prelude to the Nationals at Slinger Speedway on the FloRacing App via the link below! This live preview will not show the full event. #SlingerNationals More For Less. Get 7 months free with an annual subscription: floracing.com/signup Get the FloSports iOS app: bit.ly/FloRacingiOSApp_9 Follow FloRacing Facebook: facebook.com/FloRacing.tv Twitter: twitter.com/FloRacing Instagram: instagram.com/floracing