The final race of the weekend is due to start at 17.10, with Fortec Motorsport's Dan Hickey on pole.
Race three features a top-12 reversal of the qualifying result, and the British driver lines up ahead of Fox Motorsport's Megan Bruce on the front row of the grid.
Elite Motorsport newcomer Nickolas Ellis starts third ahead of KMR Sport's title challenger Harry Burgoyne, with teammate Chloe Grant and Fox Motorsport contender Branden Templeton on row three.
Graham Brunton Racing's Callum Baxter and KMR's Lucas Blakeley will start seventh and eighth ahead of Elite's Alisha Palmowski and Fortec's race two winner Linus Granfors.
Click here for the full grid.
