You can find T-10 parts at the following place.
Medatronics Corporation
208 North US Highway 1
Unit #1
Tequesta, FL 33469
Phone: 561-743-5600
Fax: 561-741-7921
They are on the web at
http://www.5speeds.com/
They are located in south Florida, so I don't know how business is this weekend. Don't worry about the lack of info on the webpages about T-10s. Paul knows his stuff and supplies parts.
Regards
Bert Brown