87 performance parts

Hey i just got an 87 toyota supra 3.0 turbo with the 5 speed. I need some good sites to get performance parts. Like blow off valves for stock turbo, intercoooler for stock turbo and cams. Can you put a performance cam in this i know it is a dohc but i also know it does not have alot of valve clearnce. So if you know of any good sites let me know.

www.ebay.com (http://www.ebay.com)

http://www.suprasport.com/

http://www.suprastore.com/

http://www.mvpmotorsports.com/merchant/index.shtml