The Edelbrock Pro-Flo 4 EFI Kit No. 35680 for Ford big-block 429-460 engines is a fully sequential multi-port injection system designed with a fuel injector strategically positioned in each runner of the intake manifold to deliver the best fuel atomization and most even distribution to each cylinder. This system features the high-performance Super Victor single-plane intake manifold that comes preassembled with high-flow injectors, fuel rails and 4150-flange throttle body. All supporting sensors, wire harnesses and ECU are included along with a full-color installation manual. The Super Victor EFI manifold is designed with a larger cross-sectional area in the plenum with longer runners for high-horsepower and/or large cubic-inch applications. This kit uses 42 Lb/Hr injectors and is rated for 675 horsepower at 58 PSI of fuel pressure. The exclusive Edelbrock E-Tuner 4 app is Free and Available for Android and IOS based smart phone or tablet.