Charts & Guides for Part Number HLY-558-308
Fuel Injection System Wiring Harness, Holley EFI, Main Power, Universal, Speed Density/Throttle, 13 ft. Long, for Avenger, HP, Dominator EFI, Kit
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Overview
Holley Main Power Harnesses
Holley main power ignition harnesses are designed for use with your Holly EFI systems. These wiring harnesses work with other Holley components to correctly configure your EFI system.
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Some parts are not legal for use in California or other states with similar laws / regulations
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This is a custom order part. You can order this part by Contacting Us.
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