LATROBE, Pa. — WIDIA, a global tooling leader and past sponsor of individual racers, including the No. 1 WIDIA Chevrolet driven by Earnhardt Ganassi Racing’s Jamie McMurray in the 2011 April Martinsville NASCAR race, now is sponsoring the Ultra 4 unlimited class racecar driven by David Buchberger for the 2012–2013 Ultra 4 season. With this… Continue reading WIDIA Sponsors Ultra 4 Unlimited Class Racer