Ryan Frost managed to keep a charging Jack Dunabie at bay in qualifying to take pole position by 0.259secs.
The Fibre Tec Honda by MLav Racing rider found a 1min 38.378sec lap which was enough to top the timesheets and secure pole ahead of Dunabie, with Mason Foster third, Jack Burrows fourth and Clayton Edmunds fifth.
R&G Moto4 British Cup, Qualifying:
1. Ryan Frost (Fibre Tec Honda by MLav Racing) 1min 38.378s
2. Jack Dunabie (Kovara Projects/RS Racing) +0.259s
3. Mason Foster (Mortimer Racing) +0.492s
4. Jack Burrows (Burrows Engineering/RK Racing) +0.498s
5. Clayton Edmunds (City Lifting/RS Racing) +1.163s