Cameron Dawson topped the combined Junior Superstock practice timesheets with a 57.138s lap in FP2, holding off Aaron Silvester by 0.201s.
Third was Declan Connell, as FP1 leader Sam Laffins had to settle for fourth overall, with Edmund Best fifth.
Pirelli National Junior Superstock with Santander Consumer Finance: Combined practice
1. Cameron Dawson (MSS Performance) 57.138s
2. Aaron Silvester (A&J Racing) +0.201s
3. Declan Connell (DC Racing) +0.359s
4. Sam Laffins (Uggly & Co by Binch Pro +0.422
5. Edmund Best (Symcirrus Motorsport) +0.634s