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 10/19/2026 if shipped by air

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Engine Management Systems, Holley EFI, Terminator X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Part Number: HLY-554-152

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Fuel Injection System Components, Terminator X, Upgrade, 3.5 in. Touch Screen, Handheld Controller, Mounting Sleeve, Power Cord, Wire Harness, Each

Part Number: HLY-553-201

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Ignition Coil Drivers, Holley EFI, Coil Drivers, Potted, Two Modules, Four Channel, for Two Wire Dumb Coils, Chrysler, Dodge, Ford, Kit

Part Number: HLY-554-122

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Wiring Harnesses. Holley EFI, Replacement, Wideband O2 Adapter Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each

Part Number: HLY-558-463

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Evenly Spaced, Injector Harness, USCAR/EV6, for HP, Dominator EFI, Each

Part Number: HLY-558-212

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Wiring Harnesses. Holley EFI, Replacement, Input/Output Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each

Part Number: HLY-558-462

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

MAP Sensor Adapters, Replacement, Quick Turn Adapters, 1/8 in., 3/16 in. 1/4 in., for Terminator X, Each

Part Number: HLY-543-121

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Bungs, Nuts, and Fittings, Weld-In, Oxygen Sensor Bung, Steel, 18mm x 1.5, Female Thread, Each

Part Number: HLY-534-49

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford Coyote, Plug-and-Play, for HP EFI, Dominator EFI, Ford, F150, Mustang, 5.0L, Each

Part Number: HLY-558-317

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Computers, Holley EFI, Coyote Ti-VCT, Control Module, Programmable, Ti-VCT Cam Control, CANBUS, Plug-and-Play, Ford, Coyote Engine, Each

Part Number: HLY-554-145

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2026 if ordered today

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Wiring Harnesses, Holley EFI, Coyote, with TI-VCT/Stock Coils, Main Harness, MPFI, for HP, Dominator, EFI Systems, Ford, 5.0L, Each

Part Number: HLY-558-110

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Fuel Injection System Wiring Harnesses, Holley EFI, Main Power Harness, Coyote Ti-VCT, Plug-and-Play, for Dominator/HP EFI Systems, Ford, 5.0L, Each

Part Number: HLY-558-319

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air