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EFI / Electronic Fuel Injection Systems

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Results 151 - 175 of 1167

FiTech Go EFI Classic 650 HP Fuel Injection Systems 30021

FiTech Go EFI Classic 650 HP Fuel Injection Systems 30021

FiTech Go EFI Classic 650 HP Fuel Injection Systems 30021

Fuel Injection System, Go EFI 650 HP, Self-Tuning, Throttle Body, ECM, Black, Kit

Part Number: FIF-30021

3.25 out of 5 stars ( 4 )

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Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1021

Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1021

Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1021

Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Black, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1021

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1022

Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1022

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FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 31001

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 31001

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 31001

Fuel Injection System, Go EFI 4 600 HP Self-Tuning, Throttle Body, Polished, Injectors, ECM, Kit

Part Number: FIF-31001

4.18 out of 5 stars ( 11 )

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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems 550-510-BXR

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems 550-510-BXR

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems 550-510-BXR

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Return Style Pump, Bluetooth, Kit

Part Number: SNE-550-510-BXR

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Edelbrock Pro-Flo 4 EFI Systems 36170

Made in the USA Edelbrock Pro-Flo 4 EFI Systems 36170

Edelbrock Pro-Flo 4 EFI Systems 36170

Fuel Injection System, Pro Flo 4, Self Learning, Sequential Multi-Port, Satin, 675 HP Max, Gen IV LS, Rectangle Port, Chevy, Kit

Part Number: EDL-36170

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AX

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AX

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-510-5AX

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

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Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module 550-510-BPK-SBC

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module 550-510-BPK-SBC

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems with Power Distribution Module 550-510-BPK-SBC

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, PDM, Bluetooth, Chevy, Kit

Part Number: SNE-550510BPKSBC

1.5 out of 5 stars ( 4 )

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FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems with Go Fuel In-Tank Modules 36201

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems with Go Fuel In-Tank Modules 36201

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems with Go Fuel In-Tank Modules 36201

Fuel Injection System, Go EFI 4, Throttle Body, Go Fuel In-Tank Fuel Pump Module, Wiring Harness, Hardware, Bright Aluminum Finish, Kit

Part Number: FIF-36201

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Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems 550-511-5XX

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems 550-511-5XX

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems 550-511-5XX

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-511-5XX

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Edelbrock Pro-Flo 4 EFI Systems 35900

Made in the USA Edelbrock Pro-Flo 4 EFI Systems 35900

Edelbrock Pro-Flo 4 EFI Systems 35900

Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, SB Chrysler 318, 340, 360, Kit

Part Number: EDL-35900

3.4 out of 5 stars ( 5 )

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Edelbrock Pro-Flo 4 EFI Systems 35980

Made in the USA Edelbrock Pro-Flo 4 EFI Systems 35980

Edelbrock Pro-Flo 4 EFI Systems 35980

Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, Pontiac 326-455, Kit

Part Number: EDL-35980

5.0 out of 5 stars ( 4 )

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Edelbrock Pro-Flo 4 EFI Systems 35860

Made in the USA Edelbrock Pro-Flo 4 EFI Systems 35860

Edelbrock Pro-Flo 4 EFI Systems 35860

Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 825 HP Max, 1965 and Later BB Chevy Rectangular Port, Kit

Part Number: EDL-35860

5.0 out of 5 stars ( 2 )

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Edelbrock Pro-Flo 4 XT EFI Systems 35790

Made in the USA Edelbrock Pro-Flo 4 XT EFI Systems 35790

Edelbrock Pro-Flo 4 XT EFI Systems 35790

Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 450 HP Max, Pre 1986 Small Block Chevy, Kit

Part Number: EDL-35790

5.0 out of 5 stars ( 3 )

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FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 70002

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 70002

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 70002

Fuel Injection System, Ultimate LS EFI, 500 HP, LS1/LS2/LS6, With Transmission Controller, Kit

Part Number: FIF-70002

3.08 out of 5 stars ( 12 )

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FAST EZ-EFI 2.0 Self-Tuning Fuel Injection Systems 30400-KIT

FAST EZ-EFI 2.0 Self-Tuning Fuel Injection Systems 30400-KIT

FAST EZ-EFI 2.0 Self-Tuning Fuel Injection Systems 30400-KIT

Fuel Injection System, EZ-EFI 2.0 Self-Tuning, Black Anodized Throttle Body, 4-barrel Square Bore Flange, Kit

Part Number: FST-30400-KIT

3.0 out of 5 stars ( 8 )

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AE

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AE

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-5AE

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Regulator, 5 in. Display, Kit

Part Number: SNE-550-510-5AE

Not Yet Reviewed

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Edelbrock Pro-Flo 4 XT EFI Systems 35820

Made in the USA Edelbrock Pro-Flo 4 XT EFI Systems 35820

Edelbrock Pro-Flo 4 XT EFI Systems 35820

Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Satin, 450 HP Max, SB Chevy with Vortec or E-Tec heads, Kit

Part Number: EDL-35820

3.67 out of 5 stars ( 3 )

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FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Go Fuel In-Tank Module 76207

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Go Fuel In-Tank Module 76207

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Go Fuel In-Tank Module 76207

Fuel Injection System, Ultimate LS 500 HP, Multiport, Tall Intake for Truck Accessories Cathedral Port, Go Fuel, Transmission Controller, Kit

Part Number: FIF-76207

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Edelbrock Pro-Flo 4 EFI Systems 35670

Made in the USA Edelbrock Pro-Flo 4 EFI Systems 35670

Edelbrock Pro-Flo 4 EFI Systems 35670

Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Dual Throttle Bodies, Satin, 825 HP Max, Gen II Hemi, 426-572, Kit

Part Number: EDL-35670

4.5 out of 5 stars ( 2 )

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-5AX

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-5AX

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-511-5AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 5 in. Display, Kit

Part Number: SNE-550-511-5AX

Not Yet Reviewed

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Holley Terminator X MAX Stealth 4150 24X LS EFI Fuel Injection Systems 550-1029

Holley Terminator X MAX Stealth 4150 24X LS EFI Fuel Injection Systems 550-1029

Holley Terminator X MAX Stealth 4150 24X LS EFI Fuel Injection Systems 550-1029

Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Black, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1029

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-511-3XD

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-511-3XD

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-511-3XD

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Returnless Pump, 3.5 in. Display, Kit

Part Number: SNE-550-511-3XD

5.0 out of 5 stars ( 1 )

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Edelbrock Pro-Flo 4 XT EFI Systems 35873

Made in the USA Edelbrock Pro-Flo 4 XT EFI Systems 35873

Edelbrock Pro-Flo 4 XT EFI Systems 35873

Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, 550 HP Max, 1965 and Later BB Chevy Rectangle Port, Kit

Part Number: EDL-35873

Not Yet Reviewed

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Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1064

Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1064

Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1064

Fuel Injection Systems, Terminator X Max, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Aluminum, Black, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1064

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1063

Holley Terminator X MAX Stealth 4150 58X LS EFI Fuel Injection Systems 550-1063

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Edelbrock Pro-Flo 4 XT EFI Systems 35733

Made in the USA Edelbrock Pro-Flo 4 XT EFI Systems 35733

Edelbrock Pro-Flo 4 XT EFI Systems 35733

Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Black Powdercoat, 550 HP Max, Gen III/IV, Cathedral Port, Kit

Part Number: EDL-35733

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Related Articles

3 Reasons to Consider a Self-Learning Fuel Injection System Tech Article

3 Reasons to Consider a Self-Learning Fuel Injection System

Tuning is rewarding when you want to do it, but aggravating when you have to do it. Today’s self-learning fuel injection systems give us the best of both worlds. The injection units quickly learn what the engine wants to run at its best and offers additional tools for those who like to tinker.

Example images of throttle body and multi-port EFI kits Tech Article

Which fuel injection kit is right for me?

If you’re tired of messing with jets and needles, replacing your carburetor with a Fuel Injection System has never been easier. If you make the right choices, the system will work great with engine you have today. It can also support your planned upgrades.

Carbureted vs. EFI: Fuelab Tech Article

Carbureted vs. EFI: Fuelab Examines How Fuel Line Size Relates to Fuel Pressure Drop (and Why it Matters)!

Does size really matter when it comes to fuel lines? According to the fuel delivery system experts at Fuelab, it does. It’s because fuel line size and length have a direct effect on the amount of fuel pressure drop your fuel system will experience.

How do I pick the right size fuel injection kit? Tech Article

How do I pick the right size fuel injection kit?

EFI Kits are rated by the maximum horsepower they support with gasoline. But what about the smallest engine a system can support? Choosing an EFI system that’s too big will result in poor idle and bad throttle response, same as a carburetor. Keep reading to learn what affects these ratings and how to pick the right kit for your motor.

Can I run a turbocharger, supercharger, or nitrous oxide with my fuel injection kit? Tech Article

Can I run a turbocharger, supercharger, or nitrous oxide with my fuel injection kit?

Power adders like nitrous, turbochargers, and superchargers are a natural fit with EFI. If you want to use power adders now or in the future, buy an EFI kit that is Power Adder Compatible from the start. A power adder compatible kit will work fine with or without boost or nitrous, and it might be impossible to make a non-compatible kit work with power adders. Unfortunately, not all power adder compatible kits are created equal. They usually have:

Can I use a fuel injection kit to control ignition timing? Tech Article

Can I use a fuel injection kit to control ignition timing?

Most fuel injection kits will work with your existing ignition system. All they really need is a tach signal. Ignition Timing Advance can be handled Mechanically and/or with Vacuum, just like with a carburetor.

An example of 2 different in-tank style fuel pumps. Tech Article

What type of electric fuel pump should I use?

Electric fuel pumps come in three basic types. As long as a fuel pump provides the Flow Rate your engine needs at the pressure your Fuel Injected or Carbureted system requires, it will work just fine. It is just a matter of deciding which one works best for your installation.