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Fuel Injector Driver Modules

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Holley EFI Fuel Injector Driver Modules 554-142

Fuel Injector Driver Modules, Holley EFI, Programmable Module, Eight Channel, 4 to 10 amp Peak Current, 0.5 to 1.0 ohm Peak Hold, with Harness, Kit

Part Number: HLY-554-142

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Estimated Ship Date: Monday 2/16/2026 if shipped by air

Holley EFI Fuel Injector Driver Modules 554-143

Fuel Injector Driver Modules, Holley EFI, Programmable Module Only, Eight Channel, 4 to 10 amp Peak Current, 0.5 to 1.0 ohm Peak Hold, No Harness, Kit

Part Number: HLY-554-143

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air