UniFirst No. 5 Chevy Makes Its Debut at Talladega on May 7 WILMINGTON, Mass. (April 2017) – The No. 5 UniFirst Chevrolet SS returns to the NASCAR track for the Talladega 500 on Sunday, May 7, at 2 p.m. EDT, at the Talladega Superspeedway in Alabama. UniFirst Corporation (NYSE: UNF) is continuing its partnership with […]