Dallastown will play for the Bears' Cup championship at 9 Friday night at the Hersheypark Arena.
The Wildcats earned their way into the Central Pennsylvania Interscholastic Hockey League Tier I title game with a 3-2 victory over Elizabethtown on Monday night at the York City Ice Arena.
The game was scoreless heading into the third period when Dallastown erupted for three straight goals from Grant Duvall, Jacob Mitchell and Benjamin Kelkis.
E-Town scored two goals in the final 10 minutes but couldn't get the equalizer.
Dallastown will face Hershey for the championship on Friday.
Wyatt Malone made 27 saves to get the win in goal for the Wildcats.
Bailey Haines added an assist for the winners.