Sale

Air and Fuel Fuel Injection Systems and Components - Electronic

Holley

HP ECU AND HARNESS, LS2/3/7, BOSCH INJ

$3,059.95 $2,719.95 Save $340.00

SKU: H00E 550-607

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Holley 550-607 is an HP EFI ECU & Harness Kit designed for LS2, LS3, and LS7 engines. It features a universal fit, 58x crank reluctor, 4x cam trigger, and factory GM ignition type. Tuning is performed via a USB/CAN tuning cable.

Fitment

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Specifications

BrandHolley
Part NumberH00E 550-607
Weight9.45 lb

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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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