Muscle Milk ALMS

The No. 551 of Scott Tucker and Ryan Briscoe leads a group of cars through a turn at during the American Le Mans Series portion of the Grand Prix of Long Beach in California. (Al Steinberg Photo)
The No. 91 SRT Viper GTS-R shared by Marc Goossens and Dominik Farnbacher leads a pack of cars during Saturday's Grand Prix of Long Beach. (Al Steinberg Photo)