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EFI / Electronic Fuel Injection Systems

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Results 251 - 275 of 347

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 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 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 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 78607

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 78607

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 78607

Fuel Injection, Ultimate LS, Ultimate LS Tall Master Kit 70007 w/ 50015 In-Tank Module, 54001 regulator, w/ coil pack set

Part Number: FIF-78607

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78716

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78716

FiTech Ultimate LS 500 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 78716

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

Part Number: FIF-78716

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 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 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75211

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75211

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75211

Fuel Injection System, Ultimate LS, 500 HP, Multi-port, Rectangular Port Heads, Force Fuel, Force Fuel, Kit

Part Number: FIF-75211

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79632

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79632

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79632

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-79632

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79932

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79932

FiTech Ultimate LS 1,000 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79932

Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake

Part Number: FIF-79932

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 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 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79817

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79817

FiTech Ultimate LS 750 HP EFI Short LS7 Port Intake Fuel Injection Master Kits 79817

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

Part Number: FIF-79817

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 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 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75203

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75203

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75203

Fuel Injection System, Ultimate LS 750 HP, Multiport, Cathedral Port, Force Fuel, Kit

Part Number: FIF-75203

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76103

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76103

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76103

Fuel Injection Systems, Ultimate LS 750 HP EFI System With Short Cathedral Intake, In Tank 440 LPH Pump Module & Go Fuel Regulator Master Kit

Part Number: FIF-76103

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75215

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75215

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75215

Fuel Injection System, Ultimate LS, 500 HP, Multi-port, LS7 Square Port Heads, Force Fuel, Force Fuel, Kit

Part Number: FIF-75215

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75217

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75217

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75217

Fuel Injection System, Ultimate LS, 750 HP, Multi-port, LS7 Square Port Heads, Force Fuel, Force Fuel, Kit

Part Number: FIF-75217

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 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 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 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 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76203

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76203

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76203

Fuel Injection System, Ultimate LS 750 HP, Multiport, Cathedral Port, Go Fuel, Kit

Part Number: FIF-76203

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78407

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78407

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78407

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

Part Number: FIF-78407

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79808

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79808

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79808

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

Part Number: FIF-79808

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78803

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78803

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78803

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

Part Number: FIF-78803

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

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: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79809

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79809

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79809

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

Part Number: FIF-79809

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 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: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 2026 if ordered today

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78804

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78804

FiTech Ultimate LS 750 HP EFI Short Cathedral Intake Fuel Injection Master Kits 78804

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

Part Number: FIF-78804

Not Yet Reviewed

Estimated Ship Date: Jun 11, 2026 if ordered today

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Estimated Ship Date: Jun 11, 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.