6a12?????

I was browsing through a website looking at motors when I came across a motor called a 6A12, I have never heard of this motor before??? however after looking at all the pictures i noticded that it looks alot like a vr4 motor, are they the same motor??? And what type of car does it come out of????

It's definatley a Mitsu mortor. Can't rember if it's stock on a n/a Mirage or FTO