what kind of lug nuts can I use?

on my 93 plymouth grand voyager se with stock steel wheels is it ok to use acorn style lug nuts from gorilla to replace stock ones? can anybody tell me the factory lug nut "seat" style? I don't even know if the ones on there are stock or not they look like just plain nuts with a flat seat surface..thanks

Yess you can acorn style lug nuts with a conical seat. They are just standard lug nuts, nothing special. You could also use NAPA #641-2049.