Organisers of the Pre-TT Classic racing say 230 entries have been accepted for this year's meeting.
Southern 100 Racing says six of last year's winners head up the list.
Barry Davidson, Rhys Hardisty, Adam McLean, Keith Shannon, Richard Ford, and Joe Yeardsley will compete for a share of the £14,540.00 prize fund over nine races.
It's the 37th pre-TT event organised by the club and takes place from Friday, May 24 to Sunday, May 26.