Edelbrock 35840 Pro-Flo 4 EFI System Big Block Chevy 825 HP

The Edelbrock Pro-Flo 4 Sequential Port EFI System transforms your Big-Block Chevy Oval Port engine with cutting-edge fuel injection technology. This complete plug-and-play system delivers up to 825 horsepower and eliminates the complexity of traditional carburetor tuning while providing superior performance and reliability.

Complete System Includes:

• Traditional 4150-style satin finish single plane intake manifold designed specifically for BBC oval port heads
• 60 lb/hr high-flow fuel injectors rated for 825 HP at 58 PSI fuel pressure
• All-new compact ECU with faster processor, waterproof design, and 50% smaller depth than previous generation
• Plug-and-play distributor engineered specifically for Pro-Flo 4 compatibility
• Fully terminated USA-made wiring harness with clearly labeled connections for hassle-free installation

Advanced Tuning Made Simple:

• Exclusive E-Tuner 4 app with dyno-developed base calibrations for immediate performance
• Upgraded Bluetooth chip provides faster, more reliable connection that won't drop during tuning
• Self-learning ECU continuously adjusts calibration for maximum performance
• Control air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, and rev limiter
• Simple setup wizard guides you through initial configuration
• Multiple dashboard displays let you monitor engine vitals in real-time

No Laptop Required:

The free E-Tuner 4 app downloads from Google Play Store and works with your Android smartphone or tablet. Edelbrock also offers complete kits with a pre-configured 7-inch Android tablet if needed. The intuitive interface retains the simplicity Pro-Flo is known for while giving advanced tuners full control over engine parameters.

This system is ideal for street rods, muscle cars, and performance applications where you want modern EFI reliability and tuning capability with a traditional intake manifold appearance. The waterproof ECU and high-quality components ensure years of dependable service.