Chase Sexton was a speed demon in Utah, posting his first fastest qualifying time of the year, then storming to a dominant heat race win before producing a strong ride to win the main event.
He was joined on the podium by Justin Cooper in second and Cooper Webb in third.
Jason Anderson finished fourth, Justin Barcia fifth, Jett Lawrence seventh and Dylan Ferrandis eighth; all Alpinestars riders.
He was joined on the podium by Justin Cooper in second and Cooper Webb in third.
Jason Anderson finished fourth, Justin Barcia fifth, Jett Lawrence seventh and Dylan Ferrandis eighth; all Alpinestars riders.