Jett Lawrence was again the stand-out rider in the 450 class, with his 1-3 finishes powering him to the overall victory; his fourth straight win of the season.
He was joined on the podium by Hunter Lawrence (2-2) in second and Eli Tomac (5-1) in third.
Aaron Plessinger finished fourth, Justin Cooper fifth, Jason Anderson seventh and Cooper Webb tenth; all Alpinestars riders.
