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Replacement Parts for HLY-550-1012
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Oxygen Sensors, Holley EFI, Replacement, O2 Sensor, Bosch LSU Style, 3-wire, Thread-in, Wire Harness, for Sniper EFI or Terminator X Systems, Each
Part Number: HLY-554-155
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Engine Management Systems, Holley EFI, Terminator X Max, Up to 8-Injectors, 8-Coils, Analog Input/Outputs, Trans Controller, Chevy, Ford, Dodge, Each
Part Number: HLY-554-153
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator EFI Systems, Model 550-405, 550-406, Each
Part Number: HLY-558-414
Not Yet Reviewed
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Tachometer Adapters, Holley EFI, Input Ignition Adapter, for CD Ignition Box, Non Timing Control, Each
Part Number: HLY-558-302
Not Yet Reviewed
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
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