Can't find 10x2 rear drums for my 65 signet

this guys got his info crossed cause I can buy 10 x 1 3/4 right now from vatozone...
http://cgi.ebay.com/ebaymotors/Mopa...Accessories&hash=item255950f181#ht_500wt_1000
it's the 2 1/4 or 2 1/2 that are obsolete.

I'm talking about 5 on 4'' bolt drums btw.