Andre Heimgartner and Garry Jacobson are set to be confirmed in the remaining drives at Kelly Racing next week.
The Braeside operation is the only team yet to finalise its line-up for the 2019 season with only Rick Kelly and Simona De Silvestro officially locked in by the squad.
Speedcafe.com can confirm that Heimgartner will return to the team for a second season while former Super2 series winner Jacobson will step up to fill the other seat vacated by Michael Caruso.
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Heimgartner joined the squad last year and went on to finish 17th in the standings, ending the year with three consecutive top 10 finishes to be the second highest placed Nissan.
Meanwhile, Jacobson will step up to a full-time main game seat for the first time after six years in the second tier Dunlop Super2 Series.