Holley Performance Carbs & More

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Plug-and-Play, Analog Inputs, Controller, Chevy, Late LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1601

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Gauges, Holley EFI, Coolant Temp, 120-260 psi, Analog, Electric Sending Unit, 2 1/16 in. Diameter, Full Sweep, Lighted, White Face, Red Needle, Each

Part Number: HLY-553-128W

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Gauges, Holley EFI, GPS Speedometer, 0-160 mph, Analog, Electric Sending Unit, 3 3/8 in. Diameter, Full Sweep, Lighted, Black Face, Red Needle, Each

Part Number: HLY-553-123

4.29 out of 5 stars ( 7 )

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Gauge, Standalone, Water Temp, 120-260 Degrees F, 2 1/16 in. Diameter, Analog, Full Sweep, Illuminated, with Electrical Sending Unit, Black Face, Kit

Part Number: HLY-26-602

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Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1213

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Gauges, Holley EFI, Oil Pressure, 0-100 psi, Analog, Electric Sending Unit, 2 1/16 in. Diameter, Full Sweep, Lighted, White Face, Red Needle, Each

Part Number: HLY-553-127W

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coil, Analog, O2 Sensor, Plug-and-Play, Controller, Dodge, Chrysler, 5.7L, 6.1L, Kit

Part Number: HLY-550-1223

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Gauge, Standalone, Transmission Temp, 60-260 Degrees F, 2 1/16 in. Diameter, Analog, Full Sweep, Illuminated, with Electrical SU, Black Face, Kit

Part Number: HLY-26-605

5.0 out of 5 stars ( 1 )

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, GM, LS2, LS7, 58x Crank Sensor, Kit

Part Number: HLY-550-603

4.5 out of 5 stars ( 2 )

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NTK O2, Wideband, CANBUS, Ford, Multi-Point, Kit

Part Number: HLY-550-606N

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Trans Control, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit

Part Number: HLY-550-658

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, USB Cable, Chevy, LS, 4,8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-933T

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Estimated Ship Date: Dec 17, 2025 if ordered today

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

Part Number: HLY-550-628

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Estimated Ship Date: Dec 17, 2025 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: Dec 15, 2025 if ordered today

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Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Ford, Lincoln, 4.3-5.0L, Push-rod Engine, Kit

Part Number: HLY-550-653

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Estimated Ship Date: Dec 22, 2025 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: Dec 15, 2025 if ordered today

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Gauge Sending Units, Holley EFI, Pro Dash, GPS Module, Speedometer, Electric Sending Unit, Plug-in Style, for Models, 553-111, -112, -116, -117, Each

Part Number: HLY-554-147

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Gauge, Standalone, Oil Pressure, 0-100 psi, 2 1/16 in. Diameter, Analog, Full Sweep, Illuminated, with Electrical Sending Unit, White Face, Kit

Part Number: HLY-26-601W

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NKT O2 Sensor, GM, LS, 24x Crank Sensor, Kit

Part Number: HLY-550-602N

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Gauge, Standalone, Boost/Vacuum, 30 in. Hg/30 psi, 2 1/16 in. Diameter, Analog, Full Sweep, Illuminated, with Electrical Sending Unit, Black Face, Kit

Part Number: HLY-26-606

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Gauge, Tachometer, Holley Standalone Style, Analog, 0-10,000 RPM, 3 3/8 in., Black Face, Electrical, Each

Part Number: HLY-26-617

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Drive-by-wire, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit

Part Number: HLY-550-659

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Connects 16-Injectors, 8-Coils, Bosch O2, Wideband, Ford, Lincoln, Mercury, 2V, 4.6L, 5.4L, Kit

Part Number: HLY-550-616

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 4.6L, 5.4L, Kit

Part Number: HLY-550-617

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 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: Dec 15, 2025 if ordered today

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