Pro-Flo 4 EFI XT-Style Kit #35813 For 1986 & Earlier Chevrolet Small-Block

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The Edelbrock Pro-Flo 4 XT EFI Kit #35813 for 1986-earlier Small-Block Chevrolet engines is a complete bolt-on electronic fuel injection system featuring a black powder-coated XT intake manifold with large plenum and long tapered runners that comes ready to run with high-flow injectors, fuel rails and 90mm throttle body preassembled for you at the Edelbrock factory. This kit is rated at a maximum 625 horsepower with 35 lb/hr injectors and includes all supporting sensors, a wide-band O2 sensor, wire harnesses and Android-based tablet. Also included is a single-connection distributor designed to work specifically with Pro-Flo 4 providing fully sequential port injection and infinite control over ignition and fuel events under all conditions. Key Pro-Flo 4 advancements are its Self-Calibrating Fuel Map Technology, Wide-Band O2 Closed Loop Mixture Control, and new low-profile ECU with faster processor and upgraded Bluetooth chip for reliable connectivity with the E-Tuner app that comes preinstalled on the tablet. The E-Tuner includes a Setup Wizard to guide you through setup and provides fuel and spark adjustability for complete control over the system. Pro-Flo 4 EFI #35813 for the Small-Block Chevy requires no laptop tuning. Minimal setup and tuning adjustments are required with base calibrations provided in the software. The ECU is self-learning and will continually adjust the fuel injection calibration for maximum performance by maintaining a specified target air-fuel ratio as you drive. The E-Tuner provides the ability to fine-tune air-fuel ratios, ignition curve, idle speed, acceleration fuel, fans, rev-limiter and more. Multiple displays let you monitor engine performance in real-time from inside or outside of the vehicle while retaining the simplicity that Pro-Flo 4 systems are known for.

Documents & Installation Notes


Availability Available
System Type XT-Style Kit
Fuel Pressure Port 1/8-27 NPT
Gasket Or Seal Included Yes
Quantity Kit
Wiring Harness Included Yes
Distributor Cap Included Yes
Bore Diameter 90 mm
Fuel Injector Type 35 lb/hr
Maximum Horsepower 550
Application Universal
UPC 00085347358137
Availability Note Available to Order
Warranty 24 Months
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
Finish Black
Throttle Body Type Single Blade