Lucas Brown held onto the top spot after a solid FP2, beating Ollie Walker by almost a second with a hot lap of 2min 03.579secs.
Walker ended the session 0.917secs behind, with Amanuel Brinton third, Filip Surowiak fourth and Bill Harris fifth.
R&G British Talent Cup, FP2:
1. Lucas Brown (SENCAT Talent Team/Mortimer Racing) 2min 03.579s
2. Ollie Walker (Fibre Tec Honda) +0.917s
3. Amanuel Brinton (Kovara Projects/RS Racing) +1.098s
4. Filip Surowiak (Team City Lifting/RS Racing) +1.291s
5. Bill Harris (Team Harris Racing/RS Racing) +1.532s