Edelbrock 35923 Pro-Flo 4 EFI System for Chrysler Big Block RB 413 426 440

The Edelbrock Pro-Flo 4 XT Sequential Port EFI System transforms Big-Block Chrysler RB engines (413, 426, and 440 cubic inches) with cutting-edge fuel injection technology. This complete plug-and-play system delivers professional-grade engine management with smartphone simplicity, capable of supporting up to 550 horsepower.

Complete System Includes:

• Black finish Pro-Flo XT intake manifold designed specifically for Chrysler BB RB engines
• 35 lb/hr fuel injectors rated for 550 HP at 58 PSI fuel pressure
• Plug-and-play distributor engineered to work seamlessly with Pro-Flo 4
• Fully terminated USA-made wiring harness with clearly labeled connections
• Next-generation waterproof ECU with faster processor and 50% smaller depth
• Upgraded Bluetooth chip for reliable, stable wireless connectivity

Advanced Features:

• Self-learning ECU continuously adjusts calibration for maximum performance
• Full tuning control over air-fuel ratios, ignition timing, idle speed, and acceleration enrichment
• Coolant fan control and programmable rev limiter
• Multiple dashboard displays for real-time engine monitoring
• Dyno-developed base calibrations for quick setup

Free E-Tuner 4 App:

Control everything wirelessly from your Android smartphone or tablet using the free E-Tuner 4 app available on Google Play Store. The intuitive setup wizard makes installation straightforward, while advanced tuning features remain accessible for experienced users. No laptop required—tune and monitor your engine from the driver's seat. Optional kits include a pre-configured 7-inch Android tablet.

This system combines Edelbrock's legendary intake manifold engineering with modern EFI technology, delivering improved throttle response, better fuel economy, and optimized performance across the entire RPM range. Perfect for street rods, muscle car restorations, and high-performance builds requiring reliable fuel injection.