David and Godfrey Jones claimed their second race win of the day in the Avon Tyres British GT Championship in their Preci Spark Ascari KZ1R.
The Chad Racing Ferrari of Juan Garriz and Jose Balbani came in a close second after a safety car session bunched the field together for the last few laps.
In the GT4 class, Jamie Stanley and Christian dick also claimed a double wins at Knockhill this weekend. Elsewhere in the GT4 Class there was better news for Knockhill’s Rory Butcher, who along with Ben Harvey claimed a second spot in race two.