299 Results Found For "Systems"

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, O2 Sensor, for GM TPI, Holley Stealth Ram, Kit

Part Number: HLY-550-601N

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, Un-terminated, Kit

Part Number: HLY-550-605

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Self Tuning, Power Adder Compatible, Wiring Harness, Oxygen Sensor. GM Early,Kit

Part Number: HLY-550-1623

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Estimated Ship Date: Tomorrow

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Fuel Injection System Wiring Harnesses, Holley EFI, Ford GT500, 3V Drive-by-Wire, Throttle Body Harness, Plug-and-Play, Ford, Mustang, 4.6L, 5.4L, Kit

Part Number: HLY-558-461

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Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Transmission Controller, 6L80E Power Adder Compatible, GM Early ,Kit

Part Number: HLY-550-1633-6

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Engine Management Systems, HP EFI, ECU and Harness Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 5.0L, Kit

Part Number: HLY-550-619N

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4.6L, Kit

Part Number: HLY-550-628N

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 5.0L, Kit

Part Number: HLY-550-625N

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Ford, Multi-Point, Kit

Part Number: HLY-550-606

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, GM, LS2, LS3, LS7, Bosch O2, Kit

Part Number: HLY-550-607

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NTK O2, Wideband, GM, LS2, LS3, LS7, Kit

Part Number: HLY-550-607N

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Engine Management Systems, Terminator EFI, Module, Replacement, Self-Tune, Controls 8-Injectors, 8-Coils, Four Analog Inputs, Wideband, CANBUS, Each

Part Number: HLY-554-119

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Estimated Ship Date: Mar 4, 2026 if ordered today

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Wiring Harnesses, Holley EFI, Benchtop Harness, Test Harness, EFI Input Connectors, Power Switch, for HP, Dominator, Terminator, Sniper ECUs, Each

Part Number: HLY-558-127

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Estimated Ship Date: Tomorrow

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Interconnect Cables, Holley EFI, Sealed USB Cable, Data/Communications, 180 in. Long, Single Male Ends, Each

Part Number: HLY-558-438

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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

4.5 out of 5 stars ( 54 )

Estimated Ship Date: Tomorrow

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Ignition Coil Wiring Harnesses, Holley EFI, Coil-On/Near Plug Harness, for GM LSx Coil Harness, Holley 558-312, to HP, Dominator EFI Systems, Each

Part Number: HLY-558-307

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Coolant Temperature Sensors, Replacement, Brass, Natural, 3/8 in. NPT, for Sniper EFI Systems, Each

Part Number: HLY-543-120

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

Wiring Harnesses, Holley EFI, LS1/6, 24X/1X, Main Harness, Plug-and-Play, Extended Length, for Dominator/HP EFI Systems, Chevy, 4.8-6.0L, Each

Part Number: HLY-558-133

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Wiring Harnesses, Holley EFI, HyperSpark Ignition Adapter, Plug-and-Play, Holley Main Harness to Terminator X EFI System, Each

Part Number: HLY-558-323

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

MAP Sensors, Holley EFI, Replacement, Bosch Style, 1 Bar, Black Plastic Housing, for Terminator EFI System, Each

Part Number: HLY-554-120

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Wiring Harness Adapters, Sniper EFI 1 Harness to Sniper EFI 2 System, Pre-Terminated, Each

Part Number: SNE-558-489

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Wiring Harnesses, Holley EFI, LS2/3/7, 58X/4X, Main Harness, Plug-and-Play, Extended Length, for Dominator/HP EFI Systems, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-134

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Transmission Harnesses, Holley EFI, Control Harness, Chrysler Transmission, 46RE, Plug-and-Play, for Terminator X Max System Only, Each

Part Number: HLY-558-473

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Sensors, Replacement, Coolant Temperature, Analog Style, Brass, Natural, 3/8 in. NPT, for Holley Pro-Jection Systems, Each

Part Number: HLY-534-2

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Fuel Injection System Components, Pressure Transducer, Replacement, 0-3,000 psi, 0.5-4.5 V, 1/8 in.-27 NPT, for Avenger, HP, Dominator EFI, Each

Part Number: HLY-554-137

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Estimated Ship Date: Tomorrow

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