The 6th annual Porsche 250, presented by Bradley Arant as the 'Grand American Rolex Sports Car Series', returns to the Barber Motorsports Park. America's fastest growing sports car series features sleek Daytona Prototypes and GT cars racing on one of North America's finest road courses. Grand American Road Racing boasts two strong series - the Rolex Sports Car Series and the Koni Challenge Series. In addition, new for the 2008 event, come watch the SunTrust MOTO-ST series make its first appearance at the Barber Motorsports Park. MOTO-ST is for production-based four-stroke twin cylinder motorcycles, ridden by teams of riders in longer distance events,