Edelbrock Pro-Flo 4 EFI System LS Rectangle Port 550 HP

Upgrading to a modern EFI system improves drivability, tuning control, and overall performance in LS builds. This Edelbrock Pro-Flo 4 EFI system is designed for Gen IV rectangle port LS engines, delivering a complete sequential fuel injection solution with a traditional 4150-style layout. It is ideal for high performance street builds, restomods, and LS swap applications requiring reliable power and clean installation.

Features and Benefits:
- Complete EFI system for LS rectangle port engines 
- Supports up to 550 horsepower 
- Self-learning ECU simplifies tuning 
- Bluetooth-enabled for wireless control 
- Includes Victor Jr. intake manifold

The system supports up to 550 horsepower with 35 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 full control of fuel and ignition parameters, this system provides improved throttle response, consistent performance, and flexible tuning for demanding applications.

Specifications:
Engine Compatibility: GM LS Gen IV rectangle port
System Type: Traditional 4150-style EFI kit
Fuel Injector Size: 35 lb./hr.
Maximum Horsepower: 550 HP
Intake Manifold: Victor Jr., satin finish
Manifold Height: 7.40"
Throttle Body Height: 2.25"
Throttle Body Type: 4-barrel (1.75" bore diameter)
Idle Air Control Motor Included: Yes
Wiring Harness Included: Yes
Gaskets Included: Yes
Distributor Cap Included: Yes
Fuel Pressure Port: 1/8-27 NPT
Quantity: Kit

Vehicle Fitment:
- LS Gen IV Rectangle Port Engines (LS3/ L92/ L76) 
- LS Swap and Custom Applications

Crank Trigger and Coil Harness Requirements:
- Gen IV engines (58X) require 58X coil harness (sold separately)