The Offaly champions were 14 winners over the Wexford champions.
Kilcormac-Killoughey produced a strong second half perfomance to book their place in the semi finals of the Leinster Club Senior Hurling Championship.
The Offaly champions saw off Wexford champions Naomh Eanna in Chadwicks Wexford Park on Sunday on a scoreline of 2-22 to 0-14.
James Gorman and Adam Screeney got the two goals, as they outscored their opponents 2-13 to 0-03 in the second period, with the aid of a strong wind.
They will now face Kilkenny champions O'Loughlin Gaels in two weeks time.
Speaking to Midlands 103's John Leahy after the game, KK manager Shane Hand heaped huge praise for his side after their victory:
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