Edelbrock's complete line of EFI systems gives you several options to choose from when deciding to upgrade your engine to modern electronic fuel injection. Our EFI systems provide excellent throttle response throughout the RPM range along with smooth engine operation. They also offer the potential for improved fuel economy by making the engine more efficient. Edelbrock E-Street, Pro-Flo 2 and Pro-Flo XT EFI systems are the most complete systems available on the market, giving you everything you need to add powerful and efficient fuel injection to your vehicle. All of these systems are dyno-tested to deliver proven-performance results. Finally, Edelbrock offers a dedicated support staff to assist you and answer any questions. Edelbrock EFI systems offer you the most value for your dollar!