Holley EFI

Showing 1 to 30 of 174 products

Holley Terminator EFI for LS2/LS3 58x (550-613)

GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor - with DRIVE-BY-WIRE & TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen...

GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor - with ...

In Stock
$2,956.95
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Holley Terminator EFI for 1997-2007 4.8/5.3/6.0 24x (550-623)

1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor - with DRIVE-BY-WIRE & TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen IncludedGet all the great features of...

1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor - with DRIVE-BY-WIRE & TRANSMISSI...

In Stock
$2,956.95
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Holley Terminator EFI for LS2/LS3 58x (550-612)

GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor - with TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen IncludedGet all...

GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor - with ...

In Stock
$2,744.95
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Holley Terminator EFI for LS2/LS3 58x (550-611)

GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor - with DRIVE-BY-WIRE, No Laptop Required, 3.5" Touchscreen IncludedGet all the...

GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor - with ...

In Stock
$2,744.95
Add to cart
Holley Terminator EFI for 1997-2007 4.8/5.3/6.0 24x (550-622)

1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor - with TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen IncludedGet all the great features of Terminator self-tuning...

1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor - with TRANSMISSION CONTROL, No Lapto...

In Stock
$2,744.95
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Holley Terminator EFI for 1997-2007 4.8/5.3/6.0 24x (550-615)

1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor - with DRIVE-BY-WIRE, No Laptop Required, 3.5" Touchscreen IncludedGet all the great features of Terminator self-tuning EFI...

1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor - with DRIVE-BY-WIRE, No Laptop Requ...

In Stock
$2,744.95
Add to cart
Holley Terminator EFI for LS1/LS6 24x (550-609)

GM LS1/LS6 Engines with 24x crank reluctor - with TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen IncludedGet all the great features of Terminator self-tuning EFI...

GM LS1/LS6 Engines with 24x crank reluctor - with TRANSMISSION CONTROL, No Laptop Required, 3.5"...

In Stock
$2,744.95
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Holley HP EFI Complete 2011-Present Ford Coyote Engine Plug and Play Kit – USCAR “EV6 Style” injector harness - NTK Wideband O2

Kits are not designed to control VVT or Drive-by-Wire. VVT should be locked. Dominator ECU is required for drive-by-wire applications. Holley HP EFI systems are...

Kits are not designed to control VVT or Drive-by-Wire. VVT should be locked. Dominator ECU is req...

In Stock
$2,107.95
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Holley Dominator EFI ECU (554-114)

The new standard in EFI with virtually unlimited capabilities! Integrated electronic transmission control, drive by wire throttle control, dual wideband oxygen sensor capability, extensive amount...

The new standard in EFI with virtually unlimited capabilities! Integrated electronic transmission...

In Stock
$1,990.95
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Holley Terminator EFI for 1997-2007 4.8/5.3/6.0 24x (550-614)

1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscreen IncludedGet all the great features of Terminator self-tuning EFI in a bolt-on...

1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscree...

In Stock
$1,990.95
Add to cart
Holley HP EFI for LS2/LS3/LS7 58x (550-607N)

GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes NTK Oxygen Sensor Looking for a plug...

GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harn...

In Stock
$1,975.95
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Holley HP EFI for LS2/LS3/LS7 58x (550-603N)

GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor Looking for a plug and play kit for...

GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bos...

In Stock
$1,975.95
Add to cart
Holley HP EFI for LS1/LS6 24x (550-602N)

GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes NTK Oxygen Sensor Looking for a plug...

GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness...

In Stock
$1,975.95
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Holley HP EFI Complete 2011-Present Ford Coyote Engine Plug and Play Kit – USCAR “EV6 Style” injector harness - Bosch Wideband O2 550-618

Kits are not designed to control VVT or Drive-by-Wire. VVT should be locked. Dominator ECU is required for drive-by-wire applications. Holley HP EFI systems are...

Kits are not designed to control VVT or Drive-by-Wire. VVT should be locked. Dominator ECU is req...

In Stock
$1,953.95
Add to cart
Holley Terminator EFI for LS2/LS3 58x (550-610)

GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor, No Laptop Required, 3.5" Touchscreen IncludedGet all the great features of...

GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor, No Lapt...

In Stock
$1,900.95
Add to cart
Holley Terminator EFI for LS1/LS6 24x (550-608)

GM LS1/LS6 Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscreen IncludedGet all the great features of Terminator self-tuning EFI in a bolt-on system...

GM LS1/LS6 Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscreen IncludedGet all...

In Stock
$1,900.95
Add to cart
Holley HP EFI for LS2/LS3/LS7 58x (550-607)

GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen SensorLooking for a plug and...

GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harn...

In Stock
$1,819.95
Add to cart
Holley HP EFI for LS2/LS3/LS7 58x (550-603)

GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor Looking for a plug and play kit for...

GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bos...

In Stock
$1,819.95
Add to cart
Holley HP EFI for LS1/LS6 24x (550-602)

GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor Looking for a plug...

GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness...

In Stock
$1,819.95
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Holley EFI 12.3" Pro Dash (553-111)

Touch Screen Digital Dashboard Featuring a Huge 12.3" Viewing AreaTrust. Whether it's your engine builder, team members or EFI System, trust is earned, not given....

Touch Screen Digital Dashboard Featuring a Huge 12.3" Viewing AreaTrust. Whether it's your engin...

In Stock
$1,799.95
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Holley Sniper EFI 4150 Super Sniper 1250 HP Gold Classic Finish 550-517

HOLLEY SNIPER EFI 4150 SUPER SNIPER 1250 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor...

HOLLEY SNIPER EFI 4150 SUPER SNIPER 1250 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injec...

In Stock
$1,499.95
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Holley Sniper EFI 4150 Super Sniper 1250 HP Shiny 550-512

HOLLEY SNIPER EFI 4150 SUPER SNIPER 1250 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor...

HOLLEY SNIPER EFI 4150 SUPER SNIPER 1250 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injec...

In Stock
$1,499.95
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Holley Sniper EFI 4150 Super Sniper 1250 HP Black Ceramic 550-513

HOLLEY SNIPER EFI 4150 SUPER SNIPER 1250 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor...

HOLLEY SNIPER EFI 4150 SUPER SNIPER 1250 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injec...

In Stock
$1,499.95
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Holley Sniper EFI 4150 Super Sniper 650 HP Classic Gold Finish 550-520

HOLLEY SNIPER EFI 4150 SUPER SNIPER 650 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic...

HOLLEY SNIPER EFI 4150 SUPER SNIPER 650 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - S...

In Stock
$1,199.95
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Holley Sniper EFI 4150 Super Sniper 650 HP Black Ceramic 550-519

HOLLEY SNIPER EFI 4150 SUPER SNIPER 650 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black...

HOLLEY SNIPER EFI 4150 SUPER SNIPER 650 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - S...

In Stock
$1,199.95
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Holley Sniper EFI 4150 Super Sniper 650 HP Shiny 550-518

Introducing Holley Super Sniper EFI! Looking to convert your blow thru carbureted turbo engine to EFI? Look no further. Holley offers a 650 HP four...

Introducing Holley Super Sniper EFI! Looking to convert your blow thru carbureted turbo engine to...

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$1,199.95
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Holley EFI Stand Alone Digital Dash 553-109 7" Touch Screen Kit

HOLLEY STAND ALONE DIGITAL DASH KIT 7" Digital Dash, Compact & Fully Customizable! PART# 553-109 Have you been looking for a dash solution for your...

HOLLEY STAND ALONE DIGITAL DASH KIT 7" Digital Dash, Compact & Fully Customizable! PART# 553...

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$1,049.95
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Holley Sniper EFI Self-Tuning Kit - Classic Gold Finish 550-516

HOLLEY SNIPER EFI SELF-TUNING KIT - Classic Gold Finish 550-516 Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny...

HOLLEY SNIPER EFI SELF-TUNING KIT - Classic Gold Finish 550-516 Holley Sniper 4 Barrel Fuel Injec...

In Stock
$999.95
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Holley Sniper EFI Self-Tuning Kit - Shiny Finish 550-510

HOLLEY SNIPER EFI SELF-TUNING KIT - SHINY FINISH Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish...

HOLLEY SNIPER EFI SELF-TUNING KIT - SHINY FINISH Holley Sniper 4 Barrel Fuel Injection Conversion...

In Stock
$999.95
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Holley Sniper EFI Self-Tuning Kit - Black Ceramic Finish 550-511

HOLLEY SNIPER EFI SELF-TUNING KIT - BLACK CERAMIC FINISH Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black...

HOLLEY SNIPER EFI SELF-TUNING KIT - BLACK CERAMIC FINISH Holley Sniper 4 Barrel Fuel Injection Co...

In Stock
$999.95
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Showing 1 to 30 of 174 products