Instruction Sheets for Part Number HLY-558-103
Charts & Guides for Part Number HLY-558-103
Holley EFI Systems Wiring Harnesses
Wiring Harnesses, Holley EFI, Replacement, LS Style, 58X/4X Main Harness, Speed Density, for HP, Dominator, EFI Systems Only, Chevy, 6.0-7.0L, Each
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Overview
Holley EFI Systems Wiring Harnesses
Holley offers a variety of direct replacement EFI wiring harnesses, including multi-port, sequential, and throttle body injection styles. These units are made with premium components to ensure better reliability and performance for your ride--and they're compatible with many engine swaps. Holley EFI systems wiring harnesses are sold individually or as a kit; choose the model needed for your fuel injection application.
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Instruction Sheets for Part Number HLY-558-103
Charts & Guides for Part Number HLY-558-103
Some parts are not legal for use in California or other states with similar laws / regulations
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