Oliver Barr continued his Scottish domination as he banked pole by 0.341secs over Declan Connell, thanks to a hot lap of 50.372.
Owen Jenner will round out the front row after clocking the third best time, with Cameron Dawson fourth and Louis Valleley fifth.
Pirelli National Junior Superstock with Santander Consumer Finance, qualifying:
1. Oliver Barr (3B Construction) 50.372secs
2. Declan Connell (DC Racing) 50.713s
3. Owen Jenner (Jenner Racing) +0.420s
4. Cameron Dawson (MSS Performance) +0.433s
5. Louis Valleley (Team Val-Tech Racing) +0.488s