Image credit: Touring Car Times.
Jamie Whincup claimed his 95th V8 Supercars victory to win the second Super Sprint race of the day.
The Red Bull Racing Australia driver got the jump on Volvo driver Scott McLaughlin off the line and never looked back.
Lowndes held the gap at just over a second through out the race, tacking the victory by 1.29 seconds.
McLaughlin managed to hold off race one victor, Craig Lowndes, to claim second position his second podium of the day.
Lowndes finished ahead of championship rival Winterbottom, meaning the former sits only 209 points behind the Prodrive Racing Australia driver with four races left.
David Reynold, who is the only other driver left with a chance at claiming the championship, slipped further behind as he finished fifth behind his two fellow championship contenders.
Scott Pye made it three fords in the top sixth, as he finished ahead of the Nissan pairing of Michael Caruso and Rick Kelly.
After an incident packed first race Shane van Gisbergen finished in ninth ahead of James Courtney.