Here are some drift parts for Mustang in case you get curious (1st link). The other link is great to especially for road racing and auto-x. I have 03" Cobra and I'm the process of finishing up my suspension with these sources. I thought this would be helpful.
http://dvanzstore.bigcartel.com/
http://fulltiltboogieracing.com/Choose_Your_Mustang.htm
S197
http://www.vorshlag.com/index.php?cPath=141_142