Uploaded February 2017 | Updated September 2026, 1 hour ago

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We are all excited for the 2017 Ultimate Callout Challenge and Diesel Performance Industry Expo (DPIExpo) that will be taking place at Lucas Oil Raceway near Indianapolis, Indiana on April 21-23, 2017. The 2017 UCC competitors will be announced here on UltimateCalloutChallenge.com every Thursday and Sunday until all of the competitors have been announced.