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Complete Holley Fuel Injection Kits and Harnesses
Complete Holley Fuel Injection Kits and Harnesses
Fuel Injection Kits for every budget from the leader in performance - Holley. These Plug n Play Systems are easy to install and program, allowing you to accurately control fuel and ignition. Whether you're looking to upgrade your current stock engine, an LS or even looking to upgrade a turbocharged, nitrous-fed engine, Eastwood has a kit from Holley for you.
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Holley HP EFI Universal MPI Retrofit Kits 550-500
HP EFI Universal MPI Retrofit Kit, 4150™ carburetor style intake manifolds$2,816.95HP EFI Universal MPI Retrofit Kit, 4150™ carburetor style intake manifolds$2,816.95 -
Holley Terminator LS MPFI Kit - GM 97-07 4.8/5.3/6.0L Truck Engines 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 Included$3,419.951997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor - with DRIVE-BY-WIRE & TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen Included$3,419.95 -
71-86 Jeep CJ Holley Sniper EFI BBD Master Kit 550-858K
1971-1986 Jeep CJ's with 258ci 6 Cylinder Engines$1,247.951971-1986 Jeep CJ's with 258ci 6 Cylinder Engines$1,247.95 -
Holley HP EFI 4bbl Multi Port Fuel Injection System 550-810
HP EFI Multi-Port Fuel Injection System V8 4 bbl, Single Plane Small Block Chevy, Early to Late Heads$3,440.95HP EFI Multi-Port Fuel Injection System V8 4 bbl, Single Plane Small Block Chevy, Early to Late Heads$3,440.95 -
Holley HP EFI ECU & Harness Kits - Universal - Includes Bosch Oxygen Sensor 550-605
Unterminated Universal Harness, Includes Bosch Oxygen Sensor$1,998.95Unterminated Universal Harness, Includes Bosch Oxygen Sensor$1,998.95 -
GM LS1/6, 24X Crank Sensor, Bosch Injector$613.95 -
Holley Terminator LS MPFI Kit - GM 97-07 4.8/5.3/6.0L Truck Engines 550-614
1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscreen Included$2,157.951997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscreen Included$2,157.95 -
Holley HP EFI ECU & Harness Kits - 99-04 Ford 4 Valve Modular Engine - Includes NTK Oxygen Sensor 550-617N
Complete 99-04 4 Valve Ford Modular Engine Plug and Play Kit - Jetronic “Bosch Style” injector harness - Includes NTK Oxygen Sensor$2,331.95Complete 99-04 4 Valve Ford Modular Engine Plug and Play Kit - Jetronic “Bosch Style” injector harness - Includes NTK Oxygen Sensor$2,331.95 -
Holley HP EFI ECU & Harness Kits - GM LS2/3/7 - Includes NTK Oxygen Sensor 550-603N
GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes NTK Oxygen Sensor$2,242.95GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes NTK Oxygen Sensor$2,242.95 -
Holley HP EFI ECU & Harness Kits - GM TPI and Holley Stealth Ram™ - Includes Bosch Oxygen Sensor 550-601
GM TPI and Holley Stealth Ram™, Includes Bosch Oxygen Sensor$1,998.95GM TPI and Holley Stealth Ram™, Includes Bosch Oxygen Sensor$1,998.95 -
Holley EFI Fuel System Kit 526-5
Fuel system consisting of; 20ft of 3/8” Vapor Guard™ Fuel Hose, 12-920 Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!$312.95Fuel system consisting of; 20ft of 3/8” Vapor Guard™ Fuel Hose, 12-920 Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!$312.95 -
Holley HP EFI ECU & Harness Kits - GM LS2/3/7 - Includes NTK Oxygen Sensor 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$2,242.95GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes NTK Oxygen Sensor$2,242.95 -
Holley HP EFI ECU & Harness Kits - 99-04 4 Valve Ford Modular Engine 550-616
Complete 99-04 2 Valve Ford Modular Engine Plug and Play Kit - Jetronic “Bosch Style” injector harness - Bosch Wideband O2$2,157.95Complete 99-04 2 Valve Ford Modular Engine Plug and Play Kit - Jetronic “Bosch Style” injector harness - Bosch Wideband O2$2,157.95 -
Holley Terminator LS MPFI Kit 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 Included$2,157.95GM 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 Included$2,157.95 -
Holley HP EFI ECU & Harness Kits - 99-04 4 Valve Ford Modular Engine 550-617
Complete 99-04 4 Valve Ford Modular Engine Plug and Play Kit - Jetronic “Bosch Style” injector harness - Bosch Wideband O2$2,157.95Complete 99-04 4 Valve Ford Modular Engine Plug and Play Kit - Jetronic “Bosch Style” injector harness - Bosch Wideband O2$2,157.95 -
Holley HP EFI ECU & Harness Kits - GM LS2/3/7 - Includes Bosch Oxygen Sensor 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 Sensor$2,065.95GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor$2,065.95 -
Holley HP EFI ECU & Harness Kits - Universal - Includes NTK Oxygen Sensor 550-605N
Unterminated Universal Harness, Includes NTK Oxygen Sensor$2,167.95Unterminated Universal Harness, Includes NTK Oxygen Sensor$2,167.95 -
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Holley HP EFI ECU & Harness Kits - Universal Ford V8 MPFI - Includes Bosch Oxygen Sensor 550-606
Universal FORD V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor, and Ford V8 Injector Harness.$1,949.95Universal FORD V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor, and Ford V8 Injector Harness.$1,949.95 -
Holley Terminator LS MPFI Kit 550-609
GM LS1/LS6 Engines with 24x crank reluctor - with TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen Included$3,174.95GM LS1/LS6 Engines with 24x crank reluctor - with TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen Included$3,174.95 -
Holley HP EFI ECU & Harness Kits - Universal MPFI V8 - Includes Bosch Oxygen Sensor 550-604
Universal V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor$1,998.95Universal V8 Multi-Point Fuel Injection, Includes Bosch Oxygen Sensor$1,998.95 -
Holley HP EFI ECU & Harness Kits - GM LS1/6 - Includes Bosch Oxygen Sensor 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$2,065.95GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes Bosch Oxygen Sensor$2,065.95 -
Holley HP EFI ECU & Harness Kits - Universal Ford MPFI V8 - Includes NTK Oxygen Sensor 550-606N
Universal FORD V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor, and Ford V8 Injector Harness.$2,127.95Universal FORD V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor, and Ford V8 Injector Harness.$2,127.95 -
Holley HP EFI ECU & Harness Kits - GM LS2/3/7 - Includes Bosch Oxygen Sensor 550-603
GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor$2,065.95GM LS2/3/7 (58x crank sensor) with USCAR (EV6 Style) connectors on injector harness, Includes Bosch Oxygen Sensor$2,065.95 -
Holley Terminator LS MPFI Kit 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 Included$3,174.951997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor - with TRANSMISSION CONTROL, No Laptop Required, 3.5" Touchscreen Included$3,174.95 -
Holley HP EFI ECU & Harness Kits - GM LS1/6 - Includes NTK Oxygen Sensor 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$2,242.95GM LS1/LS6 (24x crank sensor) with Jetronic/Minitimer (Bosch type) connectors on injector harness (fits Holley 522-xxx injectors), Includes NTK Oxygen Sensor$2,242.95 -
Holley Terminator LS MPFI Kit 550-608
GM LS1/LS6 Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscreen Included$2,157.95GM LS1/LS6 Engines with 24x crank reluctor, No Laptop Required, 3.5" Touchscreen Included$2,157.95 -
Holley LS1/6 (24x/1x) Engine Main Harness 558-102
LS1/6 Main Harness for HP EFI & Dominator EFI$449.95LS1/6 Main Harness for HP EFI & Dominator EFI$449.95 -
Holley Terminator LS MPFI Kit 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, No Laptop Required, 3.5" Touchscreen Included$3,174.95GM 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 Included$3,174.95 -
Holley Terminator LS MPFI Kit 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 Included$3,419.95GM 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 Included$3,419.95 -
Holley HP EFI ECU & Harness Kits - Universal MPFI V8 - Includes NTK Oxygen Sensor 550-604N
Universal V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor$2,167.95Universal V8 Multi-Point Fuel Injection, Includes NTK Oxygen Sensor$2,167.95 -
Holley Terminator LS MPFI Kit 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 Included$3,174.95GM 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 Included$3,174.95
