In the Wales Conference final, the Penguins, who lost the first two to Boston, won the next four.
The other conference was the Prince of Wales Conference.
The Islanders ended their season last year by losing to Montreal in the Wales Conference final.
The victory gave Montreal a lead of two games to one in the four-of-seven-game Wales Conference final.
The division moved to the Prince of Wales Conference in 1981.
"Of course," said Cunniff, whose team leads the Wales Conference in goals.
He had one assist in the Wales Conference 6-3 win.
"He's on a roll," said Lemieux, who was limited to one assist in the opener of the Wales Conference final.
Most shots, one team, one game: 49 - Wales Conference (has since been broken)
The Flyers, for the 3rd consecutive season, led the Prince of Wales Conference in points.