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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 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 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 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 78606

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 78606

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 78606

Fuel Injection, Ultimate LS, Ultimate LS Tall Master Kit 70006 w/ 50015 In-Tank Module, 54001 regulator, w/ coil pack set

Part Number: FIF-78606

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 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 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 78608

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 78608

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 78608

Fuel Injection, Ultimate LS, Ultimate LS Tall Master Kit 70008 w/ 50015 In-Tank Module, 54001 regulator, w/ coil pack set

Part Number: FIF-78608

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78706

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78706

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78706

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

Part Number: FIF-78706

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78707

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78707

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78707

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

Part Number: FIF-78707

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78708

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78708

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78708

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

Part Number: FIF-78708

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 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 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78806

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78806

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78806

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

Part Number: FIF-78806

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78807

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78807

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78807

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

Part Number: FIF-78807

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78808

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78808

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 78808

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

Part Number: FIF-78808

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 79008

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 79008

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems 79008

Fuel Injection, Ultimate LS, Ultimate LS Tall for LS1/LS2/LS6 - 750hp w/o Trans Control for truck ACC, led coil pack set

Part Number: FIF-79008

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79406

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79406

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 79406

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

Part Number: FIF-79406

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76208

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76208

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Go Fuel In-Tank Module 76208

Fuel Injection System, Ultimate LS 750 HP, Multiport, Tall Intake for Truck Accessories Cathedral Port, Go Fuel, Kit

Part Number: FIF-76208

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76306

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76306

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76306

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

Part Number: FIF-76306

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76307

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76307

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76307

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

Part Number: FIF-76307

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76308

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76308

FiTech Ultimate LS 750 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76308

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

Part Number: FIF-76308

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76406

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76406

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76406

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

Part Number: FIF-76406

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76407

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76407

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76407

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

Part Number: FIF-76407

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76606

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76606

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76606

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

Part Number: FIF-76606

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76607

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76607

FiTech Ultimate LS 500 HP EFI Long Runner Cathedral Intake Fuel Injection Master Kits 76607

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

Part Number: FIF-76607

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS Truck EFI 750 HP Fuel Injection Systems with Hy-Fuel 78009

FiTech Ultimate LS Truck EFI 750 HP Fuel Injection Systems with Hy-Fuel 78009

FiTech Ultimate LS Truck EFI 750 HP Fuel Injection Systems with Hy-Fuel 78009

Fuel Injection System, Ultimate LS Truck EFI, 750 HP, LS1/LS2/LS6, With Transmission Controller, With Tight Fit In-Tank Fuel Pump, Kit

Part Number: FIF-78009

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75207

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75207

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems with Force Fuel 75207

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

Part Number: FIF-75207

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 if ordered today

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75208

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75208

FiTech Ultimate LS EFI 750 HP Fuel Injection Systems with Force Fuel 75208

Fuel Injection System, Ultimate LS 750 HP, Multiport, Tall Intake for Truck Accessories Cathedral Port, Force Fuel, Kit

Part Number: FIF-75208

Not Yet Reviewed

Estimated Ship Date: Jun 13, 2025 if ordered today

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Estimated Ship Date: Jun 13, 2025 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.

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