In Stock
- In Stock Items. Ships Today. (120) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (142) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (146) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Part Type
- Engine Management Systems (138) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Computer Mounting Brackets (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Automatic Transmission Controllers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Computers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Price Range
In Stock
Savings Central
- On Sale (1)

Selected Filters

Availability

- In Stock Items. Ships Today. (120) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (142) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (146) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Part Type
- Engine Management Systems (138) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Computer Mounting Brackets (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Automatic Transmission Controllers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Computers (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Price Range
Savings Central
- On Sale (1)

142 Results Found For "Tuning"

Individual Parts

Part Groups

Results 76 - 100 of 142

Holley Terminator X MAX Engine Management Systems 550-1316

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1316

Not Yet Reviewed

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

...Loading

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

Holley Terminator X MAX Engine Management Systems 550-945

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans/Tuner Controls, Ford Injector Spacing, GM 4L60E/80E, Harness, Kit

Part Number: HLY-550-945

Not Yet Reviewed

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

...Loading

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

Holley Terminator X MAX Engine Management Systems 550-1631LSD

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

Part Number: HLY-550-1631LSD

Not Yet Reviewed

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

...Loading

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

Holley Dominator EFI Vehicle Management Systems 550-653

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

Not Yet Reviewed

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

...Loading

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

Holley Terminator X MAX Engine Management Systems 550-1424

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.4L, Non-VVT, Kit

Part Number: HLY-550-1424

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 23, 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: Monday 11/9/2026 if shipped by air

...Loading

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

Holley HP EFI ECU and Harness Kits 550-604

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

Part Number: HLY-550-604

Not Yet Reviewed

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

...Loading

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

Holley HP EFI ECU and Harness Kits 550-603

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 )

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

...Loading

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

Holley Dominator EFI Vehicle Management Systems 550-655

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-550-655

Not Yet Reviewed

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

...Loading

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

Holley Terminator X MAX Engine Management Systems 550-944

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Ford Injector Spacing, 4R70W Harness, Kit

Part Number: HLY-550-944

1.0 out of 5 stars ( 1 )

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

...Loading

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

Holley HP EFI ECU and Harness Kits 550-601

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, for GM TPI, Holley Stealth Ram, Kit

Part Number: HLY-550-601

4.86 out of 5 stars ( 7 )

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

...Loading

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

Holley Terminator X MAX Engine Management Systems 550-1423

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7-6.4L, Non-VVT, Kit

Part Number: HLY-550-1423

Not Yet Reviewed

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

...Loading

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

Holley Terminator X MAX Engine Management Systems 550-1630

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

Part Number: HLY-550-1630

Not Yet Reviewed

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

...Loading

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

Holley Terminator X Engine Management Systems 550-1601

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

Not Yet Reviewed

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

...Loading

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

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: Monday 11/9/2026 if shipped by air

...Loading

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

Holley Terminator X MAX Engine Management Systems 550-1318

Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1318

5.0 out of 5 stars ( 1 )

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

...Loading

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

Holley EFI Ford Coyote Ti-VCT Control Modules 554-145

Computers, Holley EFI, Coyote Ti-VCT, Control Module, Programmable, Ti-VCT Cam Control, CANBUS, Plug-and-Play, Ford, Coyote Engine, Each

Part Number: HLY-554-145

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 24, 2026 if ordered today

Holley Terminator X MAX Engine Management Systems 550-1409

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, O2 Sensor, Drive-by-Wire, Plug-and-Play, Ford, 5.0L, Kit

Part Number: HLY-550-1409

Not Yet Reviewed

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

...Loading

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

Holley HP EFI ECU and Harness Kits 550-602

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Chevy, LS, 5.7L, Kit

Part Number: HLY-550-602

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Nov 25, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 25, 2026 if ordered today

Holley HP EFI ECU and Harness Kits 550-606N

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: Monday 11/9/2026 if shipped by air

...Loading

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

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: Monday 11/9/2026 if shipped by air

...Loading

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

Holley Terminator X MAX Engine Management Systems 550-950

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

Part Number: HLY-550-950

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 30, 2026 if ordered today

Holley Dominator EFI Vehicle Management Systems 550-654

Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Chevy, 4.3-7.4L, Push-rod Engine, Kit

Part Number: HLY-550-654

Not Yet Reviewed

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

...Loading

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

Holley Dominator EFI Vehicle Management Systems 550-656

Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, 1x Cam Sensor, Chevy, 5.7L, 6.0L, 24x Crank, Kit

Part Number: HLY-550-656

Not Yet Reviewed

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

...Loading

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

Holley HP EFI ECU and Harness Kits 550-628

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

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2026 if ordered today

...Loading

Estimated Ship Date: Nov 24, 2026 if ordered today

Previous
Page 4 of 6
Next