Kurt Kostecki leaves his family's operation to join Triple Eight in the 2019 Dunlop Super2 Series.
Kostecki has enjoyed close ties with the team in recent years, working as a Triple Eight mechanic until mid-2018, and driving its prototype ZB Commodore for aero testing.
The Western Australian first appeared in Super2 in the 2014 finale in an MW Motorsport Falcon.
At the time, he was the youngest driver to compete in a round of the series aged just 16.
Kostecki returned to drive an Rsport Commodore in 2015 for four rounds before stepping back to focus on school studies.
In 2016, Kostecki Brothers Racing broke cover, acquiring a pair of ex-Triple Eight Holdens, and Kurt made his main game debut as a sub for Team 18's injured Lee Holdsworth.
His first Super2 race and round podiums came in 2018's season opener on Kostecki's way to eighth in the standings, while he also made two Supercars wildcard appearances with KBR.
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