Kas Beekmans managed to see off a challenge from Jack Nixon to secure pole position, clocking a best lap of 1min 19.858s.
It was enough to take the championship leader 0.119secs clear of Nixon on the Moto 12/CFMOTO machine, who will start second as Alfie Davidson rounds out the front row.
Starting fourth and leading Row Two will be Asher Durham, as Fenton Seabright lines up in fifth position.
Pirelli National Sportbike Championship, Qualifying:
1. Kas Beekmans (VLR/NIWA Racing) 1min 19.858s
2. Jack Nixon (Moto12/CFMOTO) +0.119s
3. Alfie Davidson (SENCAT by Swan Racing) +0.126s
4. Asher Durham (Powerslide Suzuki) +0.195s
5. Fenton Seabright (FHS Racing/RD Racing) +0.318s