March 8 2014 Las Vegas Kobalt Tools 400 NASCAR Practice #2 Speeds and Averages Ryan Rantz NASCAR News, Practice Speeds Las Vegas 10 Lap Averages, Las Vegas Average Speeds, Las Vegas Kobalt Tools 400 Practice #2 Speeds, NASCAR, NASCAR Average Speeds, NASCAR Practice Speeds Las Vegas Kobalt Tools 400 Practice #2 Speeds and 10 Lap Averages More