Gauge Wiring Harnesses

Gauge Wire Harnesses, Holley EFI, Replacement, Pro Dash Service Harness, Plug-and-Play, for 553-111, 553-112, Each

Part Number: HLY-558-446

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Estimated Ship Date: Today

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Gauge Wiring Harnesses, Holley EFI, Replacement, I/O Adapter, Plug-and-Play, for 7 in. Digital Dash, Each

Part Number: HLY-558-432

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Estimated Ship Date: Today

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Gauge Wiring Harness, Air/Fuel Meters, 12 ft., with Power Lead, Each

Part Number: FST-170480

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Estimated Ship Date: Today

Gauge Wiring Harnesses, Holley EFI, Replacement, Service Harness, CANBus/USB Connectors, for Digital Dash, Each

Part Number: HLY-558-444

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Estimated Ship Date: Feb 25, 2026 if ordered today

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