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Holley EFI Unterminated Main Harnesses

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Want to fully rewire your Holley EFI installation? Or perhaps you're starting a new build, and want to wire everything perfectly the first time. Holley EFI unterminated main harnesses come with both J1A and J1B connectors fully terminated—with 15 ft. of flying lead wiring to allow you to completely customize your main harness installation.

Features include:

* J1A and J1B terminated connectors
* 60 crimped wires: (57 of 20-gauge wire, and three 18-gauge wire)
* 15 ft. long flying lead harness
* 30 optional plug seals

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Holley EFI Unterminated Main Harnesses 558-126

Wiring Harnesses, Holley EFI, Main Harness, Unterminated, Flying Lead, 15 ft. Long, J1A/J1B Connectors, Plug Seals Included, Universal, Each

Part Number: HLY-558-126

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