[oem4me]

Here's a couple hard to find cast arms. These are not reproduced. I think one is 1960, and the other 1961, though I'm not sure which is which. Both are driver's side, and both appear to have factory light blue paint. Length on each is about 8" from base to center of mirror stud hole.
Take your pick at $50 each plus shipping. Fast payment through PayPal is preferred.

We'll call this one arm #1