2015 Holley Ignitions & Electrical - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Holley Terminator X MAX Engine Management Systems 550-1611

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT, Trans Control, Chevy, Late LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1611

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley Terminator X Engine Management Systems 550-1214

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1214

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley Terminator X Engine Management Systems 550-1212

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog Input, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 5.0L, Kit

Part Number: HLY-550-1212

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-1312

Engine Management Systems, Terminator X MAX, Up to 8-EV1 Injectors, 8-Coil, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 5.0L, Kit

Part Number: HLY-550-1312

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley Wiring Harness Connectors 570-232

Weatherproof Connectors, Holley EFI, Hemi Cam Sensor Connector, Main Harness, Single-Pack, 3-pin, Female, Gray Plastic, with Pins, Seals, TPA, Each

Part Number: HLY-570-232

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-1610

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT, Trans Control, Chevy, Early LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1610

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-1620LSD

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT Drive-by-Wire, Chevy, Early LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1620LSD

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-1630LSD

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LS Drive-by-Wire, Trans Control, Chevy, Early LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1630LSD

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley HP EFI ECU and Harness Kits for 2015-2017 F-150, 2016-2017 MUSTANG - 550-619N

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

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Holley Wiring Harness Connectors 570-317

Weatherproof Connectors, Holley EFI, LS 24X Crank, MAP Sensor Connectors, Metripack, 3-pin, Female, Gray, with Pins, Seals, TPA, 10-piece, Chevy, Set

Part Number: HLY-570-317

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today