The two sides progressed following semi-final wins against Rich River and Echuca respectively last week.
The Division 2 combinations were successful on all three rinks at Rich River, winning comfortably overall by 30 shots - 76-46.
Playing at Rochester, Division 3 had a tighter battle, winning on one of the two rinks last week.
The final margin was nine shots, 46-37.
The prelims will be hosted at Rich River today, with Division 2 playing Echuca and Division 3 taking on Elmore.
Teams are as follows:
Div 2: M Petersen, P Connor, J Tonta, R Marchetti (s); I Chessells, C Frampton, J Rhook, T Tonta (s); G Goodwin, G Hulm, C Taylor, L Harris (s).
Div 3: A Hodges, G Chessells, K Bowden, W Bradley (s); J Wilson, N Hilton, A Webster, R Reid (s).
17°C