Ignitions and Electrical› Wiring Harnesses

Edelbrock

Edelbrock PRO FLO 4 STANDALONE ECU AND HARNESS KIT 35721

$1,126.95

SKU: E003 35721

In Stock
In Stock
Ships by Jun 26
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Economical EFI system for upgrading legacy Pro-Flo EFI or converting competitor EFI systems. Includes ECU, sensors, wide-band O2 sensor, and wiring harness. Controls fuel and spark with learning capability. Minimal setup with Edelbrock's E-Tuner Software (iOS/Android). Base calibrations included; allows adjustments for AFR target, ignition curve, idle speed, acceleration tuning, coolant fans, and rev limiter. Distributor, induction system, EFI manifold, throttle body, 1-bar MAP sensor, fuel rails, injectors, pump, regulator, and lines must be purchased separately.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEdelbrock
Part NumberE003 35721

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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