David Allingham set out his stall as the man to beat at Cadwell Park this weekend as he set the pace in opening practice.
His best lap of 1min 28.313secs kept him 0.742s clear of Josh Owens, while points leader Ilya Mikhalchik appeared to quickly get to grips with the circuit to end the session third.
Tom Ward was fourth quickest at the chequered flag – on an identical lap time to Mikhalchik – with Matt Truelove fifth.
Pirelli National Superstock Championship, FP1:
1. David Allingham (SMS-Nicholl Oils BMW) 1min 28.313s
2. Josh Owens (SAF Holland Honda) +0.742s
3. Ilya Mikhalchik (ROKiT BMW Motorrad) +0.768s
4. Tom Ward (Armada Racing Honda) +0.768s
5. Matt Truelove (TAG Racing Honda) +0.882s