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Holley

Holley Electronic Fuel Injection

Increase power, throttle response and fuel economy with legendary Holley performance. Holley Performance Products has long been a leader in carburetors that power North America’s top race cars. What some don’t know is that they also make the best fuel injection systems. In fact, the same NASCAR and NHRA Pro Stock teams that used Holley carburetors for decades now have Holley EFI under their hoods. Eastwood has the parts and know-how for anyone who wants to install fuel injection in their own project cars. We’ve used Holley systems on more than a few of our builds and know they get the job done.

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  • Holley 600 CFM Street Warrior Carburetor 0-80457S

    Holley 600 CFM Street Warrior Carburetor 0-80457S

    Street Warrior comes standard with Electric Choke, Vacuum Secondaries, and a new integrated 700R4/200R4 compatible throttle lever. 4160 Model
    $359.95
    Street Warrior comes standard with Electric Choke, Vacuum Secondaries, and a new integrated 700R4/200R4 compatible throttle lever. 4160 Model
    $359.95
  • Holley Sniper EFI Quadrajet™ - Classic Gold Finish 550-869

    Holley Sniper EFI Quadrajet™ - Classic Gold Finish 550-869

    Rochester Quadrajet™ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Classic Gold Finish
    $1,299.95
    Rochester Quadrajet™ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Classic Gold Finish
    $1,299.95
  • Holley Terminator Stealth EFI Master Kit- Classic Gold Finish 550-444K

    Holley Terminator Stealth EFI Master Kit- Classic Gold Finish 550-444K

    Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth & Complete Fuel System
    $2,674.95
    Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth & Complete Fuel System
    $2,674.95
  • Holley Sniper EFI Fabricated Race Series Intake Manifold - GM LS1/LS2/LS6 - Black 832142

    Holley Sniper EFI Fabricated Race Series Intake Manifold - GM LS1/LS2/LS6 - Black 832142

    Hi-Ram Sheet Metal Fabricated Intake Manifold LS1/LS2/LS6 90mm Race Series w/ Removable top, Throttle Body Spacer & Fuel Rail Kit w/ Sniper EFI Logo - Black
    $974.95
    Hi-Ram Sheet Metal Fabricated Intake Manifold LS1/LS2/LS6 90mm Race Series w/ Removable top, Throttle Body Spacer & Fuel Rail Kit w/ Sniper EFI Logo - Black
    $974.95
  • Holley Sniper EFI Sheet Metal Fabricated Intake Manifold - GM LS1/2/6 820042

    Holley Sniper EFI Sheet Metal Fabricated Intake Manifold - GM LS1/2/6 820042

    Hi-Ram Sheet Metal Fabricated Intake Manifold LS1/LS2/LS6 102mm Throttle Body opening + Fuel Rail Kit Black with Sniper logo
    $591.95
    Hi-Ram Sheet Metal Fabricated Intake Manifold LS1/LS2/LS6 102mm Throttle Body opening + Fuel Rail Kit Black with Sniper logo
    $591.95
  • Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish 550-851

    Holley Sniper EFI 2300 Self-Tuning Kit - Classic Gold Finish 550-851

    Holley Sniper 2 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld Display - Classic Gold Finish
    $935.95
    Holley Sniper 2 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld Display - Classic Gold Finish
    $935.95
  • Holley Sniper EFI 4150 Super Sniper 1250 - Black Ceramic Finish 550-513

    Holley Sniper EFI 4150 Super Sniper 1250 - Black Ceramic Finish 550-513

    1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish
    $1,559.95
    1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish
    $1,559.95
  • Holley Sniper EFI Self-Tuning Master Kit - Classic Gold Finish 550-516K

    Holley Sniper EFI Self-Tuning Master Kit - Classic Gold Finish 550-516K

    Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit + Handheld EFI Monitor - Classic Gold Finish
    $1,310.95
    Holley Sniper 4 Barrel Fuel Injection Conversion - Self-Tuning Master Kit + Handheld EFI Monitor - Classic Gold Finish
    $1,310.95
  • Holley Sniper EFI 4150 Super Sniper 650 - Classic Gold Finish 550-520

    Holley Sniper EFI 4150 Super Sniper 650 - Classic Gold Finish 550-520

    650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
    $1,247.95
    650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
    $1,247.95
  • 55-86 GM Small Block Weiand Speed Warrior Intake 8150

    55-86 GM Small Block Weiand Speed Warrior Intake 8150

    Speed Warrior™ Intake Manifold non/EGR 262ci-400ci, 1955-1986 Cylinder Heads
    $181.95
    Speed Warrior™ Intake Manifold non/EGR 262ci-400ci, 1955-1986 Cylinder Heads
    $181.95
  • GM Small Block Weiand 142 Powercharger Kit - Long Nose - Satin 6500-1

    GM Small Block Weiand 142 Powercharger Kit - Long Nose - Satin 6500-1

    Chevy Small Block, Long Nose 6-Rib Drive Belt Standard Heads Universal Kit Satin Finish
    $2,537.95
    Chevy Small Block, Long Nose 6-Rib Drive Belt Standard Heads Universal Kit Satin Finish
    $2,537.95
  • Holley 850 CFM Double Pumper Carburetor 0-4781C

    Holley 850 CFM Double Pumper Carburetor 0-4781C

    Manual Choke Mechanical Secondaries-4150
    $669.95
    Manual Choke Mechanical Secondaries-4150
    $669.95
  • Ford Small Block Weiand Stealth™ Intake 8020WND

    Ford Small Block Weiand Stealth™ Intake 8020WND

    Stealth™ Intake Manifold 221, 260, 289, 302 V8
    $226.95
    Stealth™ Intake Manifold 221, 260, 289, 302 V8
    $226.95
  • Holley 750 CFM Douple Pumper Aluminum Carburetor 0-4779SA

    Holley 750 CFM Double Pumper Aluminum Carburetor 0-4779SA

    0-4779SA Manual Choke Mechanical Secondaries-4150
    $552.95
    0-4779SA Manual Choke Mechanical Secondaries-4150
    $552.95
  • 55-86 GM Small Block Weiand Street Warrior Intake 8120WND

    55-86 GM Small Block Weiand Street Warrior Intake 8120WND

    Street Warrior™ Intake Manifold non/EGR 262ci-400ci, 1955-1986 Cylinder Heads
    $175.95
    Street Warrior™ Intake Manifold non/EGR 262ci-400ci, 1955-1986 Cylinder Heads
    $175.95
  • Holley Sniper EFI 4150 Super Sniper 1250 - Classic Gold Finish 550-517

    Holley Sniper EFI 4150 Super Sniper 1250 - Classic Gold Finish 550-517

    1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
    $1,559.95
    1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
    $1,559.95
  • Holley LS Hi-Ram EFI Intake Manifold Black 300-122BK

    Holley LS Hi-Ram EFI Intake Manifold Black 300-122BK

    LS1/LS2/LS6 Cathedral Port EFI for 1 x 92MM Throttle Body - Black Ceramic Coating
    $870.95
    LS1/LS2/LS6 Cathedral Port EFI for 1 x 92MM Throttle Body - Black Ceramic Coating
    $870.95
  • Holley 570 CFM Street Avenger Carburetor 0-80570

    Holley 570 CFM Street Avenger Carburetor 0-80570

    Electric Choke Vacuum Secondaries-4150
    $495.95
    Electric Choke Vacuum Secondaries-4150
    $495.95
  • Holley 1250 CFM Dominator Carburetor 0-80532-1

    Holley 1250 CFM Dominator Carburetor 0-80532-1

    1 x 4 Gas 3-Circuit Metering-4500
    $1,079.95
    1 x 4 Gas 3-Circuit Metering-4500
    $1,079.95
  • Holley Terminator Stealth EFI w/ GM Transmission Control - Classic Gold Finish 550-445

    Holley Terminator Stealth EFI w/ GM Transmission Control - Classic Gold Finish 550-445

    Terminator™ EFI 4bbl Throttle Body w/ GM Trans Control Fuel Injection Stealth
    $2,893.95
    Terminator™ EFI 4bbl Throttle Body w/ GM Trans Control Fuel Injection Stealth
    $2,893.95
  • Holley 14 inch Chrome Round Air Cleaner 120-102

    Holley 14 inch Chrome Round Air Cleaner 120-102

    Air Cleaner Assembly, 14" Round Design w/paper element, Triple Chrome Plated, Fits Holley 4150 & 4160 Carburetors w/5.125" Dia. Neck
    $51.76
    Air Cleaner Assembly, 14" Round Design w/paper element, Triple Chrome Plated, Fits Holley 4150 & 4160 Carburetors w/5.125" Dia. Neck
    $51.76
  • Holley Universal MPFI Main Harness for EFI & Dominator EFI 558-104

    Holley Universal MPFI Main Harness for EFI & Dominator EFI 558-104

    Universal MPFI Main Harness for HP EFI & Dominator EFI
    $375.95
    Universal MPFI Main Harness for HP EFI & Dominator EFI
    $375.95
  • Holley 48 lb./hr. Performance Fuel Injectors - Set of 8 552-488

    Holley 48 lb./hr. Performance Fuel Injectors - Set of 8 552-488

    Bosch/EV1 Style, High Impedance, Maximum Horsepower: 765
    $457.95
    Bosch/EV1 Style, High Impedance, Maximum Horsepower: 765
    $457.95
  • 64-68 Ford Mustang Holley Sniper EFI Fuel Tank System 19-102

    64-68 Ford Mustang Holley Sniper EFI Fuel Tank System 19-102

    1964-68 Mustang, Coated Tank, EFI, Gas
    $577.95
    1964-68 Mustang, Coated Tank, EFI, Gas
    $577.95
  • Holley LCD Touch Screen 553-108

    Holley LCD Touch Screen 553-108

    Wide range of tuning and data-monitoring options in a compact 3.5" LCD display
    $283.95
    Wide range of tuning and data-monitoring options in a compact 3.5" LCD display
    $283.95
  • Holley HP EFI ECU & Harness Kits - GM LS2/3/7 - Includes NTK Oxygen Sensor 550-607N

    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
    $2,242.95
    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
    $2,242.95
  • Holley EFI Fuel System Kit 526-5

    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!
    $312.95
    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!
    $312.95
  • Holley Terminator Stealth EFI Kit - Hard Core Gray 550-441

    Holley Terminator Stealth EFI Kit - Hard Core Gray 550-441

    Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth
    $2,306.95
    Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth
    $2,306.95
  • Holley Terminator EFI 4bbl Throttle Body Fuel Injection Master Kit - Tumble Polished 550-405K

    Holley Terminator EFI 4bbl Throttle Body Fuel Injection Master Kit - Tumble Polished 550-405K

    Terminator™ EFI 4bbl Throttle Body Fuel Injection Master Kit V8 4 bbl 950 cfm Range 250 To 600 HP
    $2,699.95
    Terminator™ EFI 4bbl Throttle Body Fuel Injection Master Kit V8 4 bbl 950 cfm Range 250 To 600 HP
    $2,699.95
  • Holley Terminator EFI 4bbl Throttle Body Fuel Injection Master Kit - Tumble Polished 550-405K

    Holley Terminator EFI 4bbl Throttle Body Fuel Injection Master Kit - Tumble Polished 550-405K

    for 1971-1986 Jeep CJ's with 258ci 6 Cylinder Engines
    $987.95
    for 1971-1986 Jeep CJ's with 258ci 6 Cylinder Engines
    $987.95
  • Holley 42 lb./hr. Performance Fuel Injectors - Set of 8 522-428

    Holley 42 lb./hr. Performance Fuel Injectors - Set of 8 522-428

    Bosch/EV1 Style, High Impedance, 42 LB/HR
    $445.95
    Bosch/EV1 Style, High Impedance, 42 LB/HR
    $445.95
  • Holley HP EFI ECU & Harness Kits - GM TPI and Holley Stealth Ram™ - Includes Bosch Oxygen Sensor 550-601

    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
    $1,998.95
    GM TPI and Holley Stealth Ram™, Includes Bosch Oxygen Sensor
    $1,998.95
  • Holley Terminator Stealth EFI Master Kit-Shiny 550-440K

    Holley Terminator Stealth EFI Master Kit-Shiny 550-440K

    Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth & Complete Fuel System
    $2,699.95
    Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth & Complete Fuel System
    $2,699.95
  • Holley V8 over Manifold, Bosch Style Injector Harness 558-200

    Holley V8 over Manifold, Bosch Style Injector Harness 558-200

    V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI, Dominator EFI and Terminator X. GM / Chrysler Cylinder Orientation
    $136.95
    V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI, Dominator EFI and Terminator X. GM / Chrysler Cylinder Orientation
    $136.95
  • Holley 83 lb./hr. Performance Fuel Injectors - Set of 8 522-838

    Holley 83 lb./hr. Performance Fuel Injectors - Set of 8 522-838

    Bosch/EV1 Style, Low Impedance, Maximum Horsepower: 1325
    $539.95
    Bosch/EV1 Style, Low Impedance, Maximum Horsepower: 1325
    $539.95
  • Holley Main Power Harness for Avenger, HP, and Dominator EFI 558-308

    Holley Main Power Harness for Avenger, HP, and Dominator EFI 558-308

    Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI
    $69.25
    Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI
    $69.25
  • Holley Sniper EFI Throttle Body 860005-1

    Holley Sniper EFI Throttle Body 860005-1

    102MM Throttle Body LS Engine, Black with GM IAC provision
    $192.95
    102MM Throttle Body LS Engine, Black with GM IAC provision
    $192.95
  • Holley Terminator LS MPFI Kit 550-610

    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
    $2,157.95
    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
    $2,157.95
  • Holley Connector J1A/B Input/Outputs Auxiliary Harness 558-400

    Holley Connector J1A/B Input/Outputs Auxiliary Harness 558-400

    Connector J1A/B Inputs/Outputs Auxiliary Harness for HP EFI & Dominator EFI
    $79.44
    Connector J1A/B Inputs/Outputs Auxiliary Harness for HP EFI & Dominator EFI
    $79.44
  • Holley Terminator EFI 4bbl Throttle Body Fuel Injection System - Tumble Polished 550-405

    Holley Terminator EFI 4bbl Throttle Body Fuel Injection System - Tumble Polished 550-405

    Terminator™ EFI 4bbl Throttle Body Fuel Injection System V8 4 bbl 950 cfm Range 250 To 600 HP
    $2,306.95
    Terminator™ EFI 4bbl Throttle Body Fuel Injection System V8 4 bbl 950 cfm Range 250 To 600 HP
    $2,306.95

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Full EFI Systems & Accessories

Convert any carbureted beast to a sleek EFI system with our selection of Holley fuel injection products. Both the Holley Terminator Stealth and Holley Sniper series of throttle body EFI kits come in several designs to fit different cars, engine types and model years. Many older cars require an EFI-compatible fuel tank upgrade, and at Eastwood, you’ll find tanks for early-generation Mustangs, Camaros, Corvettes, Firebirds and more. We’ve assembled an assortment of ECU and harness kits for EFI systems to do new or retrofit wiring. Other performance parts include manifolds, ignition coils, self-tuning kits and oxygen sensors that maximize both the top-end performance and efficiency of your new system.


Modern Solutions for DIY Mechanics

By switching to fuel injection, your muscle car will look and sound like a classic ride while secretly enjoying all the comforts of this advanced fuel technology. Eastwood makes it easy for DIY mechanics to tackle this project. Our lifetime tech support and online DIY center provide the expert solutions you need to make Holley EFI parts work the way they’re meant to. We’ve been steering car enthusiasts like us in the right direction for more than 40 years and are happy to do the same for you. Call or email us today to learn more!