Estok will be challenged by Hal's H-D/Buell/Hal's Speed Shop rider Dan Bilansky, the 2006 Pro Thunderbike champion who was second to Estok in 2007, racing for another title on a Buell XB12R in 2008. Harley-Davidson/Buell of Frederick will open the 2008 Pro Thunderbike season at Daytona with rider Bryan Bemisderfer, the 2004 class champion, aboard a Buell XB12R. Also contending will be the Sound Waves/Hal's Speed Shop team with rider Joe Rozynski, who was third in Thunderbike points in 2007, and his brother, Sam Rozynski, who placed fifth in 2007, aboard Buell XB12R motorcycles.
