[Jay!]

Here's a few to try:

http://www.mr2parts.com/
http://www.xcars.com/
http://www.racingstrong.com/aw11/aw11parts.asp
http://search.ebaymotors.com/search/...&s_partnerid=2
http://www.twosrus.com/parts.htm
http://www.toysport.com/catalog/part..._list_main.htm
Japanese http://www.c-one.co.jp/C-ONEPARTS/mr2.html
http://www.performanceartmotorsports...w11parts1.html
http://www.mr2.com/Suppliers.html