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Automotive Ignition & Electrical Supplies

Whatever sparks your high performance dream, you’ll find it here. Get your engine started with a high-amp battery and high-torque mini starter. Keep the power flowing...

Whatever sparks your high performance dream, you’ll find it here. Get your engine started with a high-amp battery and high-torque mini starter. Keep the power flowing with a digital ignition control, performance distributor, and low-resistance ignition wires. Outfit your race car with competition-proven automotive electronics and accessories, or rewire your resto-mod with a complete wiring harness. Reprogram your vehicle’s computer or rejuvenate your daily driver with a new distributor cap, rotor, and spark plugs. We have the best automotive ignition and electrical supplies from the biggest names in the industry, in stock...

Whatever sparks your high performance dream, you’ll find it here. Get your engine started with a high-amp battery and high-torque mini starter. Keep the power flowing with a digital ignition control, performance distributor, and low-resistance ignition wires. Outfit your race car with competition-proven automotive electronics and accessories, or rewire your resto-mod with a complete wiring harness. Reprogram your vehicle’s computer or rejuvenate your daily driver with a new distributor cap, rotor, and spark plugs. We have the best automotive ignition and electrical supplies from the biggest names in the industry, in stock and ready to ship.

Showing In Stock Items. Show All 207 Items.

Individual Parts

Part Groups

Results 1 - 25 of 142

MSD LS 2-Step Launch Controls 8733

MSD LS 2-Step Launch Controls 8733

MSD LS 2-Step Launch Controls 8733

Brake Launch Control, Chevy LS, 2-Step Launch Control, Each

Part Number: MSD-8733

4.67 out of 5 stars ( 88 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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FAST XFI 2.0 Engine Control Units 301000

FAST XFI 2.0 Engine Control Units 301000

FAST XFI 2.0 Engine Control Units 301000

Engine Control Unit, FAST XFI 2.0, Kit

Part Number: FST-301000

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Estimated Ship Date: Tomorrow

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

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-926

Holley Terminator X MAX Engine Management Systems 550-926

Holley Terminator X MAX Engine Management Systems 550-926

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

Part Number: HLY-550-926

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Holley Terminator X Engine Management Systems 550-910

Holley Terminator X Engine Management Systems 550-910

Holley Terminator X Engine Management Systems 550-910

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-550-910

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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

4.71 out of 5 stars ( 34 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

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: Tomorrow

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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: Tomorrow

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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: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-1421

Holley Terminator X MAX Engine Management Systems 550-1421

Holley Terminator X MAX Engine Management Systems 550-1421

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.1L, Non-VVT, Kit

Part Number: HLY-550-1421

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems for 2020-2024 F-350 SUPER DUTY, F-250 SUPER DUTY, 2021-2025 E-350 SUPER DUTY - 550-1431

Holley Terminator X MAX Engine Management Systems for 2020-2024 F-350 SUPER DUTY, F-250 SUPER DUTY, 2021-2025 E-350 SUPER DUTY - 550-1431

Holley Terminator X MAX Engine Management Systems for 2020-2024 F-350 SUPER DUTY, F-250 SUPER DUTY, 2021-2025 E-350 SUPER DUTY - 550-1431

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Tuner Controller, Ford 7.3 L Godzilla, Kit

Part Number: HLY-550-1431

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-935

Holley Terminator X MAX Engine Management Systems 550-935

Holley Terminator X MAX Engine Management Systems 550-935

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-935

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Holley Terminator X MAX Engine Management Systems 550-1317

Holley Terminator X MAX Engine Management Systems 550-1317

Holley Terminator X MAX Engine Management Systems 550-1317

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1317

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Diode Dynamics D-Switch Hubs DD8373

Diode Dynamics D-Switch Hubs DD8373

Diode Dynamics D-Switch Hubs DD8373

Switch Panel, Plastic, Black, Lighted, Bluetooth, Universal, Kit

Part Number: DOD-DD8373

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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: Tomorrow

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