Overseas Secretary Liz Truss and former chancellor Rishi Sunak will participate in a hustings occasion in Belfast.
Polls have up to now indicated that Ms Truss is main the race forward of Mr Sunak.
The pair are additionally set to undertake separate visits in Northern Eire’s capital.
On Tuesday night, they had been each challenged by Ulster Unionist Celebration chief Doug Beattie to set out their positions on the Northern Eire Protocol.
He stated the post-Brexit preparations “must be handled as soon as and for all as a result of it continues to break the Belfast Settlement and locations a border between Northern Eire and the remainder of the UK”.
Ms Truss and Mr Sunak will tackle Conservative Celebration members in Northern Eire who will forged their vote to pick the following chief, who is about to be introduced on September 5.
There are estimated to be round 600 Conservative Celebration members in Northern Eire.
The social gathering presently has no elected representatives within the area.
