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Pro-Flo 4 EFI ECU & Harness System for GM LS Gen III (24x)
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EDELBROCKPART NUMBER: 350-35711

Pro-Flo 4 EFI ECU & Harness System for GM LS Gen III (24x)

$1,22295
ShippingShips on 09/09/2026
Lowest PriceLowest Price Guarantee

Gen III 24x Tooth Reluctor
Pro-Flo 4 EFI ECU & Harness System
  • GM LS Gen III (24x)
  • Sequential Port Fuel Injection
  • Includes EVI and Multec Injector Connectors, and O2 Sensor

    Features:

    • Ready to run right out of the box with dyno-developed base calibrations
    • No tuning experience or laptop tuning required
    • Adjusts calibration continually to improve engine performance as the vehicle is driven
    • Automatically compensates for altitude and weather changes

    Notes:

    • Compatible only with cable-driven throttle bodies (will not work with Fly-By-Wire)
    • Can support builds up to 775 HP
    • Perfect for keeping OEM EFI components on LS engines

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    • Since founder Vic Edelbrock Sr. began building performance intake manifolds in 1938, Edelbrock has grown into one of the most trusted names in American high-performance parts, from carburetors and intake manifolds to cylinder heads, crate engines, and EFI systems. JEGS has spent decades supplying Edelbrock components to racers, engine builders, and street enthusiasts, backing this extensive lineup with in-house technical support, fast shipping, and a Price Match Guarantee so you can choose proven Edelbrock parts with confidence.

      Self Tuning Controller for Popular Engine Swaps

      Take control of an LS engine with Edelbrock Pro-Flo 4 ECU and Harness! Developed to simplify a modern engine swap, these kits will work with factory EFI systems by integrating with the existing injectors, coils, sensors, and intake manifold.

      Featuring a waterproof ECU, Pro-Flo 4 utilizes Bluetooth connectivity with an exclusive free to download E-Tuner app for Android-based devices. Edelbrock's E-Tuner app contains dyno developed base setting calibration and self-learning technology, eliminating the need for a dyno tune or laptop tuning. This app will give you total control of the Pro-Flo 4 system; with the ability to adjust air-fuel ratios, ignition curve, idle speed, acceleration fuel, coolant fans, rev limiter, and multiple dash displays for monitoring engine vitals while you drive. If you don't have a compatible device, Edelbrock offers EFI kits that are available with a 7 in. Android tablet that includes the E-Tuner app preinstalled.

    Part TypeFuel Injection System
    Product LineEdelbrock Pro-Flo 4 GM LS ECU & Engine Harness Kits
    BrandEDELBROCK
    Package Height7.7
    Package Width8.6
    Package Length10.4
    Weight5.3 PG
    Part CategoryPerformance Parts
    Vendor Part Number35711
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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