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more_vert558-400 | J1 A/B I/O CONNECTOR HP & DOM
$107.00$95.95

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558-400 | J1 A/B I/O CONNECTOR HP & DOMclose

BrandHolley EFIEmission Code3Harness TypeAuxiliaryProduct TypeJ1 Auxillary Input/ Output Harness - ConnectorPart Number558-400..

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more_vert558-420 | TERMINATOR EFI I/O KIT
$44.39$39.95

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558-420 | TERMINATOR EFI I/O KITclose

PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It contains one wire for Output 2. These inputs and outputs can perform features and functions that must be programmed via Holley EFI laptop software. The software also contains instructions on how to program these.BrandHolley EFIEmission Code5Harness TypeAu..

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more_vert558-432 | I/O ADAPTER, DIGITAL DASH
$134.00$119.95

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558-432 | I/O ADAPTER, DIGITAL DASHclose

Replacement I/O Adapter for Digital Dash BrandHolley EFIEmission Code5Product TypeDigital Dash Harness / Adapter / ModulePart Number558-432..

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more_vert558-433 | KIT, I/O ADAPTER WITH UNTERMINATED VEHIC
$289.00$259.95

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558-433 | KIT, I/O ADAPTER WITH UNTERMINATED VEHICclose

I/O Adapter w/Unterminated Vehicle HarnessFeatures:Provides ten addiitonal inputs/outputs to the 7" digital dashBrings out connections to a waterproof 26 pin connector similiar to ones used on EFI unitsItem includes USB memory stick to update digital dash firmware that supports adapterBrandHolley EFIEmission Code5Product TypeDigital Dash Harness / Adapter / ModulePart Number558-433..

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more_vert558-434 | KIT, I/O ADAPTER WITH TERMINATED VEHICLE
$334.00$299.95

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558-434 | KIT, I/O ADAPTER WITH TERMINATED VEHICLEclose

I/O Adapter w/Terminated Vehicle HarnessFeatures:Provides ten addiitonal inputs/outputs to the 7" digital dashBrings out connections to a waterproof 26 pin connector similiar to ones used on EFI unitsHarness includes USB memory stick to update digital dash firmware that supports adapterBrandHolley EFIEmission Code5Product TypeDigital Dash Harness / Adapter / ModulePart Number558-434..

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more_vertT1015 | DIABLO ANALOG I/O PIGTAIL
$49.94$44.95

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