Race organisers say entries are now open for an event on the Billown Circuit in June.
The Radcliffe Butchers Post TT Road Races will be held on Saturday, June 9, just after the TT festival.
Regulations and entry forms are now available for the 2018 event from the Southern 100 website, southern100.com
The evening racing will see three events this year, with practice and qualifying held in the afternoon for 600cc, 650cc and 250cc and 1100cc machines.
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