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Holley EFI

Holley EFI Terminator X Max - LS1/LS6 - 550-934T

$1,999.95 $1,744.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - LS1/LS6 - 550-934

$2,057.95 $1,798.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - LS1/LS6 - 550-932

$1,883.95 $1,618.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - LS1/LS6 - 550-929

$1,828.95 $1,618.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 - 550-928T

$1,999.95 $1,798.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 - 550-928

$2,057.95 $1,798.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - Gen III 4.8/5.3/6.0 GM Truck Engines - 550-927

$2,057.95 $1,798.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - LS1/LS6 - 550-926T

$1,999.95 $1,744.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

58x Crank - 4x Cam - EV1 Injectors - Transmission Control - 3.5 in. Touchscreen - 550-920

$1,828.95 $1,618.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - LS1/LS6 - 550-919T

$1,771.95 $1,593.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

24x Crank - 1x Cam - EV6 Injectors - Transmission Control - 3.5 in. Touchscreen - 550-919

$1,828.95 $1,645.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

Holley EFI Terminator X Max - Gen III 4.8/5.3/6.0 GM Truck Engines - 550-917

$1,828.95 $1,645.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

24x Crank - 1x Cam - EV1 Injectors - Transmission Control - USB/CAN Tuning Cable - 550-916T

$1,824.95 $1,641.95

Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can...

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Holley EFI

24x Crank - 1x Cam - EV1 Injectors - Transmission Control - 3.5 in. Touchscreen - 550-916

$1,828.95 $1,645.95

ADD TO CART TO SEE FINAL PRICE! Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with...

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Holley EFI

Holley EFI Terminator X - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 - 550-910

$1,427.95 $1,284.95

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

24x Crank - 1x Cam - EV6 Injectors - USB/CAN Tuning Cable - 550-909T

$1,370.95 $1,199.95

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

24x Crank - 1x Cam - EV6 Injectors - 3.5 in. Touchscreen - 550-909

$1,427.95 $1,284.95

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

Holley EFI Terminator X - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 - 550-905T

$1,370.95 $1,199.95

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

Holley EFI Terminator X - Gen IV 4.8/5.3/6.0 GM Truck Engines and LS2/LS3 - 550-905

$1,427.95 $1,284.95

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

24x Crank - 1x Cam - Multec 2 Injectors - USB/CAN Tuning Cable - 550-904T

$1,370.95 $1,199.95

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

Holley EFI Terminator X - Gen III 4.8/5.3/6.0 GM Truck Engines - 550-904

$1,427.95 $1,284.95

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

24x Crank - 1x Cam - EV1 Injectors - USB/CAN Tuning Cable - 550-903T

$1,370.95 $1,199.95

Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have...

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Holley EFI

Fits GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 style Engines with EV1 Injectors a 4L60/80E Transmission, and a DBW Throttle Body - 550-660

$3,757.95 $3,349.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

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Holley EFI

Dominator EFI Kit - LS2 Main Harness w/ DBW with EV1 Injector Harnesses - 550-659

$4,367.95 $2,969.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

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Holley EFI

Fits GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 style Engines with EV1 Injectors, and a 4L60/80E Transmission - 550-658

$3,700.95 $2,969.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

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Sold out

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Holley EFI

Fits GM LS 24x Crank, 1x Cam - LS1/LS6 style Engines with EV1 Injectors a 4L60/80E Transmission, and a DBW Throttle Body. - 550-657

$3,757.95 $3,349.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

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Sold out

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Holley EFI

Fits GM LS 24x Crank, 1x Cam - LS1/LS6 style Engines with EV1 Injectors, and a 4L60/80E Transmission - 550-656

$3,700.95 $2,969.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

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Holley EFI

Fits conventional push rod Ford Engines with coil on plug ignition and EV1 Injectors - 550-655

$3,588.95 $3,199.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

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Holley EFI

Dominator EFI Kit - Ford Main Harness with EV1 Injector Harness - 550-653

$3,363.95 $2,999.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

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Holley EFI

Dominator EFI Kit - Universal Main Harness with EV1 Injector Harness - 550-652

$3,464.95 $2,999.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

Sale

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Holley EFI

Fits GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0 style Engines with EV1 Injectors - 550-651

$3,363.95 $2,999.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...

Sale

Quick View

Holley EFI

Fits GM LS 24x Crank, 1x Cam - LS1/LS6 style Engines with EV1 Injectors - 550-650

$3,363.95 $2,999.95

Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and...