Kurt Busch, who is on the pole for a second consecutive week, worries that his Chevy might not have enough speed during long runs at Las Vegas Motor Speedway.
Kurt Busch, who is on the pole for a second consecutive week, worries that his Chevy might not have enough speed during long runs at Las Vegas Motor Speedway. John Amis AP
Kurt Busch, who is on the pole for a second consecutive week, worries that his Chevy might not have enough speed during long runs at Las Vegas Motor Speedway. John Amis AP