Youngsters Cam Waters and Kiwi Richie Stanaway will start the Supercars' Sandown 500 from pole position today after the impressive pair combined to win yesterday's qualifying race.

Stanaway produced another stellar drive in the co-drivers' race and handed the Monster Energy Drinks Ford over to regular driver Waters in third place. Waters made a great start to the main game drivers' race and held off the challengers to secure pole for the first endurance race of the season.

"It has been a perfect day for us. I had a good run in my race and qualified the car in a good position," Stanaway said.

"We made a few tweaks to the car for Cam's race and he did an amazing job in that run.

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"Amazing result for the team and looking forward to tomorrow."

Championship leader Scott McLaughlin and Frenchman Alex Premat will start on the front row in their Shell V-Power Ford while David Reynolds and Luke Youlden will be third after a strong Saturday.

The co-drivers' race was red-flagged a lap early after a massive accident involving the Holden of Todd Hazelwood and 2016 Bathurst winner Jono Webb.

The latter tried to force his way to the inside of a left-hander at the end of the main straight and left Hazelwood nowhere to go. They made contact and Hazelwood careered off into the bank in a spectacular crash at high speed. The car made massive impact with the wall and was torn to bits as it rolled and came to a stop upside down. After a scary few moments the development series driver exited the car and walked unhurt to the medical car.

Hazelwood waved to the crowd before being cleared by the medical team.

"When you're going at 260km/h and you get a whack like that you're just a passenger," he told Fox Sports.

"I put my hands on my helmet and tried to relax.

"When I hit the tyre wall, going up on the tyre wall I thought 'oh my god this is going to be huge'.

"I haven't had a rollover since I was seven in dirt karts."

He was devastated for his team.