Rockauto sells it. Hell Amazon probably does too. I've found that with a Prime membership you can often cross reference Rockauto part numbers on Amazon and save an assload of money on shipping and get it in 2 days too.
2000 Mustang GT Steeda build #48. Bolt ons, suspension, Novi 2000.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.