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Engine Management Systems

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Holley HP EFI ECU and Harness Kits 554-113

Engine Management Systems, HP EFI, ECU, Replacement, Plug-and-Play, 16-Injectors, Eight Coils, Analog Inputs, USB Cable, Software, Each

Part Number: HLY-554-113

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Engine Management System, CORE ECU, Transmission Control, 4L60E, 4L80E, 58x/24x Compatible, Chevy, Small Block LS, Each

Part Number: HPT-COR-ECU-000

Not Yet Reviewed

Estimated Ship Date: Today

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Engine Control Unit, Marine, XFI 2.0, O-Ring Sealed, Kit

Part Number: FST-301015

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2025 if ordered today

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Estimated Ship Date: Dec 8, 2025 if ordered today