The only bellhousing that fits the 94/95 trans is an original OEM 94/95 bell. You can get them for $100 if you look. Stay off ebay. That place is almost exclusively "parts for dip****s" nowadays. Put a want ad up on this and some of the big Mustang forums and you should find one for around that price.
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 ****.