Oh, an 11" clutch kit? Pretty standard item IMO/IME, considering the wide range of applications and decades of use. I'd just buy one from Rockauto for <$100 if I needed one, but I'm not in Alberta.
Here's the one NAPA lists for a '64 with an 11" clutch:
http://www.napaonline.com/Catalog/Ca...072_0316532135
Counter guy must really suck or something...