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Holley Performance Carbs & More

Legendary Holley carburetors have powered professional racers to victory for years, and you can bolt the same technology onto your engine. Every Holley carb is built...

Legendary Holley carburetors have powered professional racers to victory for years, and you can bolt the same technology onto your engine. Every Holley carb is built in the USA and 100-percent flow tested for no-hassle, out-of-the-box performance. Holley fuel pumps, fuel injectors, throttle bodies, and EFI system are manufactured using that same proven quality control. Bring a renowned Holley carburetor, fuel pump, or any other high-quality air and fuel system part to your street machine, competition vehicle, boat, or daily driver. Shop Holley at Summit Racing now!

Legendary Holley carburetors have powered professional racers to victory for years, and you can bolt the same technology onto your engine. Every Holley carb is built in the USA and 100-percent flow tested for no-hassle, out-of-the-box performance. Holley fuel pumps, fuel injectors, throttle bodies, and EFI system are manufactured using that same proven quality control. Bring a renowned Holley carburetor, fuel pump, or any other high-quality air and fuel system part to your street machine, competition vehicle, boat, or daily driver. Shop Holley at Summit Racing now!

Showing In Stock Items. Show All 219 Items.

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Results 1 - 25 of 207

Holley Terminator X MAX Engine Management Systems 550-917

Holley Terminator X MAX Engine Management Systems 550-917

Holley Terminator X MAX Engine Management Systems 550-917

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-917

4.63 out of 5 stars ( 16 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-928

Holley Terminator X MAX Engine Management Systems 550-928

Holley Terminator X MAX Engine Management Systems 550-928

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Sensors, Trans and Tuner Controls, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Dominator EFI Vehicle Management Systems 554-114

Holley Dominator EFI Vehicle Management Systems 554-114

Holley Dominator EFI Vehicle Management Systems 554-114

Engine Management Systems, Dominator EFI, ECU, Up to 24-Injectors, 12-Coil, Digital/Analog Input, Drive-by-Wire, VVT, Trans Control, 4L60E/4L80E, Each

Part Number: HLY-554-114

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-918

Holley Terminator X MAX Engine Management Systems 550-918

Holley Terminator X MAX Engine Management Systems 550-918

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-918

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-919

Holley Terminator X MAX Engine Management Systems 550-919

Holley Terminator X MAX Engine Management Systems 550-919

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-919

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X Engine Management Systems for 1983-1993 MUSTANG - 550-937F

Holley Terminator X Engine Management Systems for 1983-1993 MUSTANG - 550-937F

Holley Terminator X Engine Management Systems for 1983-1993 MUSTANG - 550-937F

Engine Management Systems, Terminator X, ECU, EV1 Injector Harness, Sensors, 3.5 in. Touchscreen, Ford, Foxbody, TFI, Kit

Part Number: HLY-550-937F

4.32 out of 5 stars ( 19 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X Engine Management Systems 550-905

Holley Terminator X Engine Management Systems 550-905

Holley Terminator X Engine Management Systems 550-905

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog input, CANBUS, Sensors, Controller, Chevy, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-905

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-928-6

Holley Terminator X MAX Engine Management Systems 550-928-6

Holley Terminator X MAX Engine Management Systems 550-928-6

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-928-6

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X Engine Management Systems 550-904

Holley Terminator X Engine Management Systems 550-904

Holley Terminator X Engine Management Systems 550-904

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coil, Analog input, CANBUS, Sensors, Controller, Chevy, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-904

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Control Modules 554-153

Holley Terminator X MAX Engine Control Modules 554-153

Holley Terminator X MAX Engine Control Modules 554-153

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

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-931

Holley Terminator X MAX Engine Management Systems 550-931

Holley Terminator X MAX Engine Management Systems 550-931

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Sensors, Tuner Controls, Chevy, LS, 4.8-6,2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-931

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-916

Holley Terminator X MAX Engine Management Systems 550-916

Holley Terminator X MAX Engine Management Systems 550-916

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Sensors, Trans and Tuner Controller, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-916

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Super Sniper EFI Stealth 4150 Fuel Injection Systems 550-877

Holley Super Sniper EFI Stealth 4150 Fuel Injection Systems 550-877

Holley Super Sniper EFI Stealth 4150 Fuel Injection Systems 550-877

Fuel Injection Systems, Sniper EFI, Stealth 4150, 1250 HP Max, Throttle Body, Black, 4150 Flange, Injectors, Wiring Harness, Tuner, Kit

Part Number: SNE-550-877

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X Engine Management Systems 550-909

Holley Terminator X Engine Management Systems 550-909

Holley Terminator X Engine Management Systems 550-909

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-909

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-927

Holley Terminator X MAX Engine Management Systems 550-927

Holley Terminator X MAX Engine Management Systems 550-927

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-927

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X Engine Management Systems 550-903

Holley Terminator X Engine Management Systems 550-903

Holley Terminator X Engine Management Systems 550-903

Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog input, CANBUS, Sensors, Controller, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903

4.7 out of 5 stars ( 33 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X Engine Control Modules 554-152

Holley Terminator X Engine Control Modules 554-152

Holley Terminator X Engine Control Modules 554-152

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 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-918-6

Holley Terminator X MAX Engine Management Systems 550-918-6

Holley Terminator X MAX Engine Management Systems 550-918-6

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-918-6

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-942

Holley Terminator X MAX Engine Management Systems 550-942

Holley Terminator X MAX Engine Management Systems 550-942

Engine Management Systems, Terminator X MAX, Up to 8-EV1 Injectors and 8-Coils, Analog, Trans and Tuner Controls, GM 4L60-E, 4L80-E, Wire Harness, Kit

Part Number: HLY-550-942

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Sniper 2 EFI Input/Output Wiring Harnesses 558-495

Holley Sniper 2 EFI Input/Output Wiring Harnesses 558-495

Holley Sniper 2 EFI Input/Output Wiring Harnesses 558-495

Interconnect Cables, Holley, Sniper EFI, CAN to USB Cable, Data, 96 in., Black, Each

Part Number: SNE-558-495

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-919T

Holley Terminator X MAX Engine Management Systems 550-919T

Holley Terminator X MAX Engine Management Systems 550-919T

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Trans Control, Sensors, USB Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-919T

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X Engine Management Systems 550-936

Holley Terminator X Engine Management Systems 550-936

Holley Terminator X Engine Management Systems 550-936

Engine Management Systems, Terminator X, Multi-Port, 8-EV1 Injectors, 8-Coils, Analog Input, Sensors, Tuner Controls, Plug-and-Play, Universal, Kit

Part Number: HLY-550-936

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-934

Holley Terminator X MAX Engine Management Systems 550-934

Holley Terminator X MAX Engine Management Systems 550-934

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X Engine Management Systems 550-937

Holley Terminator X Engine Management Systems 550-937

Holley Terminator X Engine Management Systems 550-937

Engine Management Systems, Terminator X, Multi-Port, 8-EV1 Injectors, 8-Coils, Analog Input, Sensors, Tuner, Universal MPFI Main Harness, Kit

Part Number: HLY-550-937

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Holley Terminator X MAX Engine Management Systems 550-917T

Holley Terminator X MAX Engine Management Systems 550-917T

Holley Terminator X MAX Engine Management Systems 550-917T

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-917T

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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