Replacement Parts for HLY-550-933

Holley Terminator X MAX Engine Management Systems 550-933

Holley Terminator X MAX Engine Management Systems 550-933

HLY-550-933

1 out of 5 stars ( 1 )

Part Number: HLY-550-933

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

$1,999.95

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Holley Sniper EFI Oxygen Sensors 554-155

Holley Sniper EFI Oxygen Sensors 554-155

Holley Sniper EFI Oxygen Sensors 554-155

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

4.56 out of 5 stars ( 62 )

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

Holley EFI Systems Wiring Harnesses 558-200

Holley EFI Systems Wiring Harnesses 558-200

Holley EFI Systems Wiring Harnesses 558-200

Wiring Harness, Holley EFI, V8 Over Manifold, Bosch Injector Harness, for Avenger, Dominator, HP EFI Systems, Chrysler, GM, Cylinder Orientation, Kit

Part Number: HLY-558-200

5.0 out of 5 stars ( 3 )

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

Holley Main Power Harnesses 558-308

Holley Main Power Harnesses 558-308

Holley Main Power Harnesses 558-308

Fuel Injection System Wiring Harness, Holley EFI, Main Power, Universal, Speed Density/Throttle, 13 ft. Long, for Avenger, HP, Dominator EFI, Kit

Part Number: HLY-558-308

5.0 out of 5 stars ( 1 )

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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