MERCURY Holley Engine Management Systems

Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Ford, Lincoln, 4.3-5.0L, Push-rod Engine, Kit

Part Number: HLY-550-655

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Ford, Lincoln, 4.3-5.0L, Push-rod Engine, Kit

Part Number: HLY-550-653

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, HP EFI, ECU and Harness, Connects 16-Injectors, 8-Coils, Bosch O2, Wideband, Ford, Lincoln, Mercury, 2V, 4.6L, 5.4L, Kit

Part Number: HLY-550-616

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Estimated Ship Date: Monday 9/22/2025

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