Edelbrock Pro-Flo 4 XT EFI System LS Cathedral Port 550 HP

Maximizing performance in LS swap builds requires a modern, fully tunable EFI system. This Edelbrock Pro-Flo 4 XT EFI system is designed for Gen III and Gen IV cathedral port LS engines, providing a complete sequential fuel injection solution with a high flow XT-style intake. It is engineered for street performance, restomod, and track-ready applications.

Features and Benefits:
- Complete EFI system for LS cathedral-port engines 
- Supports up to 550 horsepower 
- XT-style intake improves airflow 
- Self-learning ECU simplifies tuning 
- Bluetooth-enabled for wireless control

The system supports up to 550 horsepower with 35 lb./hr. injectors and features a Pro-Flo XT intake with a single-blade throttle body. A compact waterproof ECU with upgraded 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 delivers improved throttle response, reliable operation, and flexible performance tuning.

Specifications:
- Engine Compatibility: GM LS Gen III/ Gen IV cathedral port
- System Type: XT-Style EFI kit
- Fuel Injector Size: 35 lb./hr.
- Maximum Horsepower: 550 HP
- Intake Manifold: Pro-Flo XT, satin finish
- Throttle Body Type: Single-blade, 90 mm
- Fuel Pressure Port: 1/8-27 NPT
- Injection Type: Sequential Port SEFI
- Idle Air Control Motor Included: Yes
- Wiring Harness Included: Yes
- Gaskets Included: Yes
- Distributor Cap Included: Yes
- Quantity: Kit

Vehicle Fitment:
- LS Engine Based Fitment (Cathedral Port)
- Compatible with LS Gen III (24X) and Gen IV (58X) cathedral port engines

Crank Trigger and Coil Harness Requirements:
- Gen III 24X engines require 24X coil harness (sold separately)
- Gen IV 58X engines require 58X coil harness (sold separately)