Park Avenue Armory honchos have been trying to boot kid cadets from their building for years — but are happy to showcase a controversial performance artist’s show depicting 12-foot penises, “ open orifices ” and women “furiously” massaging their breasts.

The US debut of Marina Abramović’s four-hour “Balkan Erotic Epic” opens next year in the drill hall of the Upper East Side historic building run by a non-profit accused of using it as its own shady private country club .

Adding insult to injury, Abramović sits on the Armory’s board of directors, creating a massive conflict of interest, critics charge.

The show, which premiered in the UK last month, features the graphic portrayal of what Abramovic claims to be a Balkan nude fertility ritual where a groom drills three holes i

See Full Page