Max Cook will lead the pack from pole after beating Sam Laffins to the top spot by more than half a second, with a hot lap of 1min 31.118sec.
Laffins held off a charging Cameron Hall for second, while behind, Aaron Silvester was just 0.002secs adrift in fourth as Zak Fuller rounded out the top five.
Pirelli National Junior Superstock Championship with MotoNovo Finance:
1. Max Cook (Uggly & Co by Binch Pro) 1min 31.118s
2. Sam Laffins (Cheshire Mouldings Kawasaki by JR Performance) +0.512s
3. Cameron Hall (Triple M Vehicle Sales) +0.581s
4. Aaron Silvester (A&J Racing) +0.583s
5. Zak Fuller (G&S Racing) +0.657s