You're going to have to fab the stock brackets for those ebay seats seeing as they are universal and the sliders they came with are the only thing you're going to get.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.