Edelbrock 35873 Pro-Flo 4 EFI System Big Block Chevy Rectangle Port 550HP

The Edelbrock Pro-Flo 4 XT Sequential Port EFI System is a complete fuel injection solution designed specifically for Big-Block Chevy rectangle port engines. This comprehensive kit delivers modern electronic fuel injection technology with plug-and-play simplicity, capable of supporting up to 550 horsepower.

Complete System Includes:

• Black finish Pro-Flo XT intake manifold engineered for BBC rectangle port heads
• 35 lb/hr fuel injectors rated for 550 HP at 58 PSI fuel pressure
• Plug-and-play single connection distributor designed for Pro-Flo 4 integration
• Fully terminated wiring harness with clearly labeled connections (Made in USA)
• Advanced ECU with faster processor and waterproof design

Advanced ECU Features:

• 50% smaller depth than previous generation for easier mounting
• Upgraded Bluetooth chip with improved reliability and stable connection
• Self-learning capability that continuously optimizes calibration
• Full tunability: air-fuel ratios, ignition timing, idle speed, acceleration enrichment, cooling fan control, and rev limiter

E-Tuner 4 App:

• Free download from Google Play Store for Android devices
• Wireless Bluetooth connectivity eliminates laptop tuning requirements
• Simple setup wizard guides you through initial configuration
• Dyno-developed base calibrations for immediate performance
• Multiple dashboard displays for real-time engine monitoring
• Compatible with Android smartphones and tablets (7" tablet kits available separately)

The Pro-Flo 4 system combines advanced tuning capabilities for experienced enthusiasts with the user-friendly interface that Edelbrock's Pro-Flo line is known for. The self-learning ECU and intuitive app interface mean you can achieve maximum performance without complex laptop tuning software.