North End travel to the Black Country on Saturday to face the league leaders, who have gone through somewhat of a revolution over the past couple of seasons.
Now managed by Nuno Espirito Santo, with a number of continental stars at their disposal, Wolves have been playing some attractive football and winning matches on a regular basis.
Last weekend, as they comfortably dispatched midlands rivals Aston Villa, there was a 30,000-plus crowd at Molineux and the same is expected for the visit of the Lilywhites.
For North End, they have already toppled one league leading team this season, when they thrashed Cardiff City 3-0 at Deepdale in September, and are unbeaten in nine games going into the clash, so it will be a clash of two in form sides.
The game is an all-ticket clash, so fans are reminded they only have until 4pm on Friday to get a ticket for the game.