Harley-Davidson Screamin' Eagle Springfield TT Event MILWAUKEE Tue, 31 May 2011 Harley-Davidson Riders Fill Podium at Grand National Twins Opener SP1KC2.jpgSP1KC.jpgHarley-Davidson Screamin' Eagle Factory rider Kenny Coolbeth finished fourth in the opening round of the Grand National Twins portion of the 2011 AMA Pro Harley-Davidson Insurance Flat Track Championship on the Springfield Mile at the Illinois State Fairgrounds. The race was won by Rogers Lake/ Blue Springs Harley-Davidson rider Jared Mees on a Harley-Davidson XR750.