Kasey Kahne was quickest in Happy Hour for Sunday 's UAW - Dodge 400 at Las Vegas Motor Speedway .
Kasey Kahne decided to skip the Nationwide race due to a sinus infection .
Kasey Kahne was quickest in Happy Hour for Sunday 's UAW - Dodge 400 at Las Vegas Motor Speedway but decided to skip the Nationwide race due to a sinus infection .