Pro-Flo 4 EFI 4150-Style #357800 For Chevy SB W/ Vortec/E-Tec Heads W/O Tablet

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Edelbrock Pro-Flo 4 EFI kit for Small-Block Chevy with Vortec/E-Tec Cylinder heads. The EFI kit comes with a satin 4150-Style single plane intake & 29 Lb/Hr injectors capable of 450 HP with 58 p.s.i. fuel pressure. No Tablet Included.
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The Edelbrock Pro-Flo 4 EFI Kit #357800 W/O Tablet for Small-Block Chevy engines with Vortec/E-Tec cylinder heads is a fully sequential multi-port injection system designed with a fuel injector strategically positioned in each runner of the intake manifold to deliver the best fuel atomization and most even distribution to each cylinder. This system features the high-performance Victor-style single-plane intake manifold that comes preassembled with high-flow injectors, fuel rails and 4150-flange throttle body. All supporting sensors are included along with wire harnesses, ECU and Android-based tablet with E-Tuner Calibration app pre-installed. The Victor manifold is designed with a larger cross-sectional area in the plenum and larger runners for high-horsepower and/or large cubic-inch applications. The manifold is also 0.75 inch taller than the standard LS3 version to promote smoother airflow into the rectangular-port heads. This kit uses 29 lb/hr injectors and is rated for 450 horsepower at 58 PSI of fuel pressure. Calibration of the Pro-Flo 4 is a simple process with a Setup Wizard providing guidance through the E-Tuner's initial programming. Once provided with basic information such as type of engine, cubic inches, firing order, and cam profile, the E-Tuner then selects the most appropriate base calibration. Once the base calibration is set, the self-learning E-Tuner takes over to continually maximize the fuel map for your specific engine configuration, even compensating for changes in altitude and weather. The E-Tuner provides more advanced tuning options that allow precise control over cold starts and acceleration while retaining the simplicity that Pro-Flo systems are known for. No laptop tuning is required.

Documents & Installation Notes


Availability Available
Application Application Specific
UPC 00085347999811
System Type Traditional 4150-Style Kit
Gasket Or Seal Included Yes
Quantity Kit
Wiring Harness Included Yes
Idle Air Control Motor Included Yes
Fuel Pressure Port 1/8-27 NPT
Idle Air Control Motor Included Yes
Bore Diameter 1.75
Fuel Injector Type 29 lb/hr
Maximum Horsepower 450
Availability Note Available to Order
Warranty 12 Months
Distributor Cap Included Yes
Emissions Code
Hazardous Materials Warning WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit
Installation Notes
  • Pro-Flo 4 EFI system #357800 for the Chevy SB with Vortec/E Tec Cylinder Heads requires a high-pressure, EFI-compatible fuel delivery system. Edelbrock fuel delivery kits are available and sold separately for this application. Visit to choose the right kit for your installation. Manifolds height for Pro-Flo 4 #357800 is 4.63 inches.
Finish Satin
Throttle Body Type 4 Barrel