Jett Lawrence put in a very impressive lap to take pole at A2 ahead of Eli Tomac. Chase Sexton was third fastest on his factory KTM.
Malcolm Stewart was fourth with Jason Anderson rounding out the top five.
In the 250SX class, it was Julien Beaumer who grabbed pole ahead of Jordon Smith. Haiden Deegan tried to go for a hot lap on his very last lap but made a mistake and went off track.
Impressive rookie, Cole Davies was fourth quickest. Drew Adams was fast in group B putting in the eighth fastest lap time.
Combined 450SX Qualifying:
Combined 250SX Qualifying: