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EFI / Electronic Fuel Injection Systems

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Results 26 - 50 of 110

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79401

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79401

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79401

Ultimate LS 500 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-79401

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 76311

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 76311

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 76311

Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-76311

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 76412

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 76412

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 76412

Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-76412

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78812

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78812

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78812

Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-78812

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78411

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78411

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78411

Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-78411

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76304

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76304

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76304

Ultimate LS 750 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-76304

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78703

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78703

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78703

Ultimate LS 750 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-78703

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78815

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78815

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78815

Ultimate LS 500 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-78815

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79402

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79402

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79402

Ultimate LS 500 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-79402

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78817

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78817

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78817

Ultimate LS 750 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-78817

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78814

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78814

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78814

Ultimate LS 750 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-78814

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78816

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78816

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78816

Ultimate LS 500 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-78816

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78802

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78802

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78802

Ultimate LS 500 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-78802

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78702

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78702

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78702

Ultimate LS 500 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-78702

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76416

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76416

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76416

Ultimate LS 500 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-76416

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76401

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76401

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76401

Ultimate LS 500 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-76401

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78801

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78801

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78801

Ultimate LS 500 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-78801

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76617

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76617

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76617

Ultimate LS 750 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-76617

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78709

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78709

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78709

Ultimate LS 750 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-78709

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78406

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78406

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78406

Ultimate LS 500 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-78406

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79702

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79702

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79702

Ultimate LS 500 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-79702

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76415

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76415

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 76415

Ultimate LS 500 HP EFI System With Master Kit Short LS7 Port Intake

Part Number: FIF-76415

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78813

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78813

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78813

Ultimate LS 750 HP EFI System With Master Kit Short LS3 Port Intake

Part Number: FIF-78813

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Retro LS TBI 650 HP System In-Tank Pump/Regulator Fuel Injection Master Kits 36171

FiTech Retro LS TBI 650 HP System In-Tank Pump/Regulator Fuel Injection Master Kits 36171

FiTech Retro LS TBI 650 HP System In-Tank Pump/Regulator Fuel Injection Master Kits 36171

Retro LS 650 HP Classic Gold EFI System With Master Kit

Part Number: FIF-36171

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76303

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76303

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 76303

Ultimate LS 750 HP EFI System With Master Kit Short Cathedral Intake

Part Number: FIF-76303

Not Yet Reviewed

Estimated Ship Date: Jun 15, 2026 if ordered today

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Estimated Ship Date: Jun 15, 2026 if ordered today

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.