In Rugby, Douglas, Vagabonds and Ramsey return to South Lancashire and Cheshire Division Two action this afternoon (Saturday).
Table toppers Douglas travel away to mid-table Marple and will be confident of getting the second half of their campaign off to a winning start.
They will also be hoping the other Isle of Man sides will be able to do them a favour against title rivals.
Vagabonds are at second placed Oswestry, and Ramsey welcome fourth in the table Crewe and Nantwich to Mooragh Park.
Harrison wins fourth Southern 100 solo championship with new lap record
Kieran Clark and Rob Coppock claim second sidecar title of the week
Harrison wins Southern 100 Senior Race
Five races conclude after opening session of Championship Day
Championship day at the Southern 100
Nine races scheduled for final day of action at Billown
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IIGA confirms plans following annual general meeting