xigmatek aegir am4

Aegir perfectly fits AM3+ but now im using MSI B350 PRO-VD PLUS AM4 mobo this cooler super excellent 2 8mm and 4 6mm heatpipe. I wanna use but is it possible or not ? xigmatek doesnt give their customer am4 upgrade kit so i'm gonna buy new cooler??? 1) What if i'm use another cooler brand's...