Edelbrock Pro-Flo 4 XT EFI System LS3 Rectangle Port 550 HP

Modern EFI technology delivers the drivability, control, and performance LS builders demand. This Edelbrock Pro-Flo 4 XT EFI system is designed for Gen III/IV rectangle port engines, providing a complete sequential port fuel injection solution with an XT-style intake for improved airflow and efficient power delivery.

Features and Benefits:
- Designed for LS3-style rectangle port engines
- Supports up to 550 horsepower
- XT-style intake improves airflow
- Self-learning ECU simplifies tuning
- Bluetooth-enabled for wireless adjustments

The system supports up to 550 horsepower with 35 lb./hr. injectors and features a black XT-style intake with a 90mm single blade throttle body. A compact waterproof ECU with enhanced Bluetooth connectivity allows wireless tuning through the E-Tuner 4 app, eliminating the need for a laptop. With self-learning capabilities and dyno-proven calibrations, this system provides consistent performance, improved throttle response, and flexible tuning for a wide range of LS swap and performance applications.

Specifications:
- Fuel Injector Size: 35 lb./hr.
- Maximum Horsepower: 550 HP
- Intake Manifold: XT rectangle port, black finish
- Bore Diameter: 90 mm (single blade throttle body)
- Throttle Body Style: Single blade
- ECU: Waterproof, Bluetooth-enabled, fast processing
- System Type: XT-style sequential port EFI
- Fuel Pressure Port: 1/8-27 NPT
- Wiring Harness Included: Yes
- Gaskets Included: Yes
- Quantity: Kit

Vehicle Fitment:
- LS Gen III/IV Rectangle Port Engines (LS3/ L92/ L76)

Crank Trigger/ Coil Harness Requirements:
- Gen III (24X) requires 24X coil harness (sold separately)
- Gen IV (58X) requires 58X coil harness (sold separately)