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142 Results Found For "Tuning"

Individual Parts

Part Groups

Results 51 - 75 of 142

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: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1218

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1218

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-1621

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

Part Number: HLY-550-1621

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

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: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Dominator EFI Vehicle Management Systems 550-660

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

Part Number: HLY-550-660

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-918T

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

Part Number: HLY-550-918T

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-930

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-930

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1225

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coil, O2 Sensor, Plug-and-Play, Tuner, Controller, Dodge, Chrysler, 5.7-6.4L, Kit

Part Number: HLY-550-1225

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1219

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1219

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

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: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-1620

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-550-1620

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1217

Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1217

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-933

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

Part Number: HLY-550-933

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-932T

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog Input, USB Cable, Chevy, LS, 5,7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-932T

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley HP EFI ECU and Harness Kits 550-604N

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

Part Number: HLY-550-604N

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-935T

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

Part Number: HLY-550-935T

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1216

Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1216

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley HP EFI ECU and Harness Kits 550-602N

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

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X Max GM Gen V LT Direct Injection Kits 550-1634-6

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

Part Number: HLY-550-1634-6

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2026 if ordered today

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Estimated Ship Date: Nov 25, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-920T

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Trans Control, Sensors, USB Cable, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit

Part Number: HLY-550-920T

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1215

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-550-1215

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-959

Engine Management Systems, Terminator X MAX, Universal, 8-EV1 Injectors, 8-Coils, GM Drive-by-Wire, GM Trans Harness, Domestic, Pushrod Engine, Kit

Part Number: HLY-550-959

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-929

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

Part Number: HLY-550-929

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X MAX Engine Management Systems 550-917-6

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-550-917-6

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

Holley Terminator X Engine Management Systems 550-1600

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

Part Number: HLY-550-1600

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

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