These Pro-Flo XT EFI Systems are designed for 1964-95 small-block Ford 289-302. Get excellent throttle response throughout the rpm range, great fuel economy with incredible horsepower, smooth engine operation and improved cold starting. Compatible with Edelbrock or factory heads. Includes a MSD Pro-Billet distributor for a complete installation. For non-emission engines. With a ready-to-run base calibration and the exclusive XT Calibration Module, the Edelbrock Pro-Flo XT EFI systems deliver proven performance and maximum tunability right out of the box. The electronic control unit (ECU) is the heart of the Edelbrock Pro-Flo XT EFI systems. Its advanced features include fully sequential injection, downloadable calibrations for different engine parameters, and a host of options to customize the systems exactly to your specifications. These systems also support laptop tuning and closed-loop fuel targets with a narrowband sensor (included) or an optional wideband controller. Modern electronics complement the new Edelbrock Pro-Flo XT EFI intake manifold design. The eight equal-length runners and large plenum make this intake ideal for maximum power and drivability in the 1,500 to 6,500 rpm range. The Edelbrock Pro-Flo XT EFI systems come complete with an Edelbrock Pro-Flo XT EFI manifold, an Edelbrock 90mm throttle body, extruded aluminum fuel rails, and Pico fuel injectors that are assembled at the factory. They also include a programmable ECU, wiring harness, and exclusive calibration module. Available in a natural or brilliant black powdercoated finish, the Edelbrock Pro-Flo XT EFI systems bring a user-friendly design with high-tech components for the ideal high performance street vehicles.