Michael Dunlop is to take the place of injured rider John McBride in the Phase One Yamaha team.
Manx Radio TT also learned this afternoon that he will ride his own Supersport machines in the 125 and 250 events at the Billown Circuit on Saturday.
Michael, who recently lost his father, Robert, in the North West 200 in Northern Ireland, says he is delighted to step in:
Ravens on the road at Euxton Villa
FC Isle of Man four unbeaten ahead of meeting with newly-promoted side
Powerlifting: IoM sets new best points haul at Home Nations
Lindsay and Skillicorn also take wins during meeting in Birmingham
Michael Dunlop receives MBE
Royal recognition for most successful TT competitor of all time
Netball: Defeat for Rams against Papua New Guinea
Third straight loss for Manx side at Singlife Nations Cup
Football: Corinthians and Onchan women continue strong respective starts
Both sides separated at the top of the table on goal difference