Slick 60's

I see on ebay they are like $20-$24,
This one from Mr. Mustang appears to be the same thing for $9 64-66 mustang. I could be wrong on the interchange but it really looks the same

http://www.mrmustangparts.com/product_C3AZ11584A.html

It looks like the same one, what's the verdict, guys, does it fit our trucks? Anybody know for sure?