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Holley EFI Terminator X LT Main Engine Harnesses 558-129

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Part Number: HLY-558-129

Estimated Ship Date from Texas: Monday 10/26/2026

$611.95

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Engine Management Systems, Holley EFI, Terminator X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Part Number: HLY-554-152

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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