Dale Earnhardt Jr. , driver of the No. 88 Mountain Dew Kickstart , met with members of the media at Las Vegas Motor Speedway .
Dale Earnhardt Jr. , driver of the No. 88 Mountain Dew Kickstart , discussed his confidence level , testing at Las Vegas Motor Speedway .
Dale Earnhardt Jr. , driver of the No. 88 Mountain Dew Kickstart , met with members of the media at Las Vegas Motor Speedway , and discussed his confidence level , testing at Las Vegas Motor Speedway .