64 - 65 Transmission Mount

It might be a "B" body mount also they shared the same transmissions//seen alot of 2 stub mounts

https://www.classicindustries.com/product/all-years/plymouth/all-models/parts/mb2668.html

ouch!

That appears to have an offset between the top plate and the studs. It's an A-body that I was seeking...just that hard to find dual stud mount.