Holley Terminator Stealth EFI Fuel Injection Systems 550-445 with Transmission controller option. I bought this from Summit Racing but I decided to go a different route on the transmission so offering it to others here. The box has never been opened. 

Description and photo capture from Summit Racing:

Holley Terminator Stealth EFI Fuel Injection Systems

Holley Terminator Stealth EFI fuel injection systems offer the perfect solution for hot rod enthusiasts who want to keep a traditional carburetor look, but gain all the benefits of EFI. These units are easy to install and require no computer experience to get things going. They include a hand-held tuner, along with a simple multiple-choice setup wizard. Terminator Stealth systems self-tune while you drive, and are upgradable to complete laptop control without having to buy another ECU. Keep your carbureted looks, with the drivability of EFI—in a stealthy package capable of handling 600 horses—with a Holley Terminator Stealth EFI fuel injection system. Examine the options available and select the model best suited for your vehicle.