Side Mirror for 66 Valiant

toolmanmike said
That is not a original Mopar mirror and the Mopar mirrors will be round. Only 2 were available. The twin post is non adjustable from inside the car. Like these:

View attachment 1715677252

View attachment 1715677253

Except that your photo of the remote mirror is one for a '67-up model. The '66 and older have a different control and head/base mounting method.