While three Ford Mustang drivers, Cam Waters, David Reynolds and Thomas Randle fought for the win in the penultimate race of the year Kostecki, who started from pole position in his Erebus Motorsport Chevrolet Camaro, drove to a conservative sixth place, to assure himself of the title with Sunday’s race still to run.
The battle for the drivers’ title lasted less than 20 seconds, when Shane van Gisbergen’s Triple Eight Chevrolet got caught up in an opening lap clash between Will Brown and Anton De Pasquale.
