Biffle tops final day of Daytona test

Greg Biffle was quickest among those who stayed on for the final day of NASCAR Sprint Cup pre-season testing at Daytona on Saturday.

Source: http://www.iracing.com/inracingnews/nascar-news/nascar/biffle-tops-final-day-of-daytona-test

Karl Kling Ernst Klodwig Kamui Kobayashi Helmuth Koinigg