Edelbrock Pro-Flo 4 EFI System LS Cathedral Port 475 HP

Modernizing fuel delivery in LS builds improves drivability and performance. This Edelbrock Pro-Flo 4 EFI system is designed for Gen III and Gen IV cathedral port LS engines, providing a complete sequential fuel injection solution with a traditional 4150-style setup. It is engineered for street performance builds and LS swap applications requiring clean installation and consistent control.

Features and Benefits:
- Complete EFI system for LS cathedral port engines 
- Supports up to 475 horsepower 
- Self-learning ECU simplifies tuning 
- Bluetooth-enabled for wireless control 
- Includes Victor Jr. intake manifold

The system supports up to 475 horsepower with 29 lb./hr. injectors and features a Victor Jr. single-plane intake manifold. A compact waterproof ECU with Bluetooth connectivity allows wireless tuning through the E-Tuner 4 app, eliminating the need for a laptop. With self-learning capabilities and adjustable parameters for fuel, ignition, and more, this system supports improved throttle response and efficient engine operation.

Specifications:
- Engine Compatibility: GM LS Gen III/ Gen IV cathedral?port
- System Type: 4150-style traditional EFI conversion
- Fuel Injector Size: 29 lb./hr.
- Maximum Horsepower: 475 HP
- Intake Manifold: Victor Jr., satin finish
- Manifold Height: 4.95"
- Throttle Body Height: 2.25"
- Throttle Body Type: 4-barrel (1.75" bore diameter)
- ECU: Waterproof, high-speed processor, Bluetooth enabled
- Fuel Pressure Port: 1/8-27 NPT
- Wiring Harness Included: Yes
- Idle Air Control Motor Included: Yes
- Gaskets Included: Yes
- Quantity: Kit

Vehicle Fitment:
- LS Gen III/IV Cathedral Port Engines

ECU/Crank Reluctor Fitment Requirements:
- Gen III (24X) engines - requires 24X coil harness (sold separately)
- Gen IV (58X) engines - requires 58X coil harness (sold separately)