An injury time goal sealed the deal for the Offaly Champions.
Kilcormac Killoughey booked their place in the Leinster Senior Hurling Championship final over the weekend after a dramatic midlands derby with Castletown Geoghegan.
The Offaly champions trailed Castletown for much of the game, with the Westmeath side much the stronger in first half.
KK rallied in the second half but still needed an injury time goal from Adam Screeney to win their place in the decider against Na Fianna of Dublin.
Screeney says the loss against Loughlin Gaels at the semi-final stage last year drove the group on:
The KK talisman looked back on the game with Midlands 103's Joe Troy, you can listen to the interview in full here:
The Offaly club's manager Shane Hand reflects on a thrilling game:
Keeping Up Unbeaten League Start The Aim For Athlone Town Women
Two Pointer Rule Makes Big Difference To Gaelic Football - Emmet McDonnell
Shane Lowry Records Opening Round Of 72
Tullamore Town FC Ready For Red Letter Weekend
Busy Bank Holiday Weekend In Store For Athlone Town
Big Weekend Ahead In Leinster Minor And U20 Hurling Championships
Leinster SFC: Opportunity Beckons For Westmeath
Westmeath Footballer Luke Loughlin Ruled Out For Remainder Of Season
Laois And Westmeath Battle For Place In Leinster LGFA Decider
Alex Dunne Set For Action In Miami This Weekend
Fundraising Walk Planned For Westmeath Man Left Paralysed In Freak Accident
Shane Lowry In Action In Miami This Week
Westmeath Secure Leinster Minor Football Quarter Final
CCFL: Two Draws In Senior Division
Potential Hometown Fight On The Cards For Joe Ward
Ava O'Connor Breaks Personal Steeplechase Record
Laois Fixture In Two Weeks A "Massive Game" - Kevin O'Brien
Camross Camogie Honoured In Laois Following Historic All-Ireland Triumph
Athlone Town Secure Vital Win In Women's Premier Division
Laois And Westmeath To Clash In Leinster Camogie Decider