Madison Down has stolen victory on the final lap in the combined Cash Converters Supercars Eseries race.
Down won at Michigan after leader Brodie Kostecki was wiped out on the last lap.
The Brad Jones Racing driver won despite being 32nd at the Safety Car restart.
Jayden Ojeda took home Pro Series honours, having been edged by Down on the line.
The race began in high drama when Pro Series leader Jarrad Filsell crashed on lap 3.
Filsell came together with sprint race pole-sitter Jordan Cox.
Pro Series title rival Dayne Warren was taken out by Jake Kostecki in the closing laps.
The balance of the field stopped on lap 14, with Brodie Kostecki leading the way.
The BP Ultimate Safety Car was called on lap 20, with Josh Anderson leading teammate Brad Vaughan.
Filsell gained his lap back, but the drama only heated up from there.
Brodie Kostecki raced to the lead on lap 23, but was unable to make a break.
Warren joined the lead pack and fought for the lead, but crashed out with five laps to go.
On the final lap, Jordan Caruso clashed with Brodie Kostecki, opening the door for Down to clinch victory.
The 2022 Cash Converters Eseries will continue at Phillip Island next Wednesday.