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EFI / Electronic Fuel Injection Systems

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Results 201 - 225 of 491

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78809

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78809

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78809

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

Part Number: FIF-78809

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78811

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78811

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 78811

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

Part Number: FIF-78811

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 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: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 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: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 79002

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 79002

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 79002

Fuel Injection, Ultimate LS, Ultimate LS Kit LS1/LS2/LS6 - 500HP w/ Trans Control, w/ led coil pack set

Part Number: FIF-79002

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS Truck EFI 750 HP Fuel Injection Systems with Hy-Fuel 78008

FiTech Ultimate LS Truck EFI 750 HP Fuel Injection Systems with Hy-Fuel 78008

FiTech Ultimate LS Truck EFI 750 HP Fuel Injection Systems with Hy-Fuel 78008

Fuel Injection System, Ultimate LS Truck EFI, 750 HP, LS1/LS2/LS6, Without Transmission Controller, With Tight Fit In-Tank Fuel Pump, Kit

Part Number: FIF-78008

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 79004

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 79004

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 79004

Fuel Injection, Ultimate LS, Ultimate LS Kit LS1/LS2/LS6 -750HP w/ Trans Control, w/ led coil pack set

Part Number: FIF-79004

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 78013

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 78013

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 78013

Fuel Injection, Ultimate LS, Ultimate LS Kit LS3/L92 - 750HP w/o Trans Control, w/ coil pack set

Part Number: FIF-78013

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79709

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79709

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79709

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

Part Number: FIF-79709

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79711

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79711

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79711

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

Part Number: FIF-79711

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79712

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79712

FiTech Ultimate LS 500 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79712

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

Part Number: FIF-79712

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79713

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79713

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79713

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

Part Number: FIF-79713

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79714

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79714

FiTech Ultimate LS 750 HP EFI Short LS3 Port Intake Fuel Injection Master Kits 79714

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

Part Number: FIF-79714

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79715

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79715

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79715

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

Part Number: FIF-79715

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79717

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79717

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79717

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

Part Number: FIF-79717

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79801

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79801

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79801

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

Part Number: FIF-79801

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79802

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79802

FiTech Ultimate LS 500 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79802

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

Part Number: FIF-79802

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79803

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79803

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79803

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

Part Number: FIF-79803

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79804

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79804

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 79804

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

Part Number: FIF-79804

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79806

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79806

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79806

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

Part Number: FIF-79806

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70032

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70032

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70032

Fuel Injection System, Ultimate LS EFI, 1,000 HP, Long Runner Cathedral Port, LS1/LS2/LS6, Without Transmission Controller, Kit

Part Number: FIF-70032

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70034

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70034

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70034

Fuel Injection System, Ultimate LS EFI, 1,000 HP, Short Intake, LS3 Rectangle Port, Without TransController, Kit

Part Number: FIF-70034

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70035

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70035

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70035

Fuel Injection System, Ultimate LS EFI, 1,000 HP, Short Intake, LS3, With Transmission Controller, Kit

Part Number: FIF-70035

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70036

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70036

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70036

Fuel Injection System, Ultimate LS EFI, 1,000 HP, Short Port Intake, LS7, Without Transmission Controller, Kit

Part Number: FIF-70036

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70037

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70037

FiTech Ultimate LS 1,000 HP EFI Fuel Injection Systems 70037

Fuel Injection System, Ultimate LS EFI, 1,000 HP, Short Port Intake, LS7, With Transmission Controller, Kit

Part Number: FIF-70037

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 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.