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EFI / Electronic Fuel Injection Systems

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Results 126 - 150 of 1502

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-510-3XD

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-510-3XD

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems 550-510-3XD

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

Part Number: SNE-550-510-3XD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Sniper EFI 2GC Small Bore Fuel Injection Systems 550-866

Holley Sniper EFI 2GC Small Bore Fuel Injection Systems 550-866

Holley Sniper EFI 2GC Small Bore Fuel Injection Systems 550-866

Fuel Injection Systems, Sniper EFI, 2GC, Throttle Body, Gold, Small Bore, 2GC Flange, Injectors, Pressure Regulator, Harness, Tuner, Kit

Part Number: SNE-550-866

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-511-BXK

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-511-BXK

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-511-BXK

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

Part Number: SNE-550-511-BXK

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-3AX

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-3AX

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-3AX

Fuel Injection System, Sniper 2 from Sniper 1 Upgrade, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, 3.5 in. Display, Kit

Part Number: SNE-550-510-3AX

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

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

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

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

Part Number: SNE-550-511-5AE

Not Yet Reviewed

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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 )

Estimated Ship Date: Today

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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 )

Estimated Ship Date: Today

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Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-511-5PD

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-511-5PD

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-511-5PD

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Black, 4150 Flange, 650 hp Max, 800 CFM, Returnless Pump, PDM, 5 in. Display, Kit

Part Number: SNE-550-511-5PD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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FiTech Go EFI 2-Barrel 400 HP Fuel Injection Systems 39001

FiTech Go EFI 2-Barrel 400 HP Fuel Injection Systems 39001

FiTech Go EFI 2-Barrel 400 HP Fuel Injection Systems 39001

Fuel Injection System, Go EFI 2 Barrel, 400 HP, Self-Tuning, Throttle Body, Injectors, ECM, Kit

Part Number: FIF-39001

3.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Holley Terminator X Stealth 4150 58X LS EFI Fuel Injection Systems 550-1061

Holley Terminator X Stealth 4150 58X LS EFI Fuel Injection Systems 550-1061

Holley Terminator X Stealth 4150 58X LS EFI Fuel Injection Systems 550-1061

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

Part Number: HLY-550-1061

Not Yet Reviewed

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FiTech Ultra Ram EFI 800 HP Fuel Injection Systems 38302

FiTech Ultra Ram EFI 800 HP Fuel Injection Systems 38302

FiTech Ultra Ram EFI 800 HP Fuel Injection Systems 38302

Fuel Injection System, Ultra Ram, 800HP, Multi-Port, Chevy, Big Block, Rectangular Port, Kit

Part Number: FIF-38302

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-511-3PR

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-511-3PR

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-511-3PR

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

Part Number: SNE-550-511-3PR

Not Yet Reviewed

Estimated Ship Date: Today

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Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-510-5XK

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-510-5XK

Holley Sniper 2 EFI 650 HP Inline Pump Fuel Injection Systems 550-510-5XK

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, Inline Pump, 5 in. Display, Kit

Part Number: SNE-550-510-5XK

Not Yet Reviewed

Estimated Ship Date: Today

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Holley Sniper EFI 2GC Large Bore Fuel Injection Systems 550-857K

Holley Sniper EFI 2GC Large Bore Fuel Injection Systems 550-857K

Holley Sniper EFI 2GC Large Bore Fuel Injection Systems 550-857K

Fuel Injection Systems, Sniper EFI, 2GC, Throttle Body, Gold, Large Bore, 2GC Flange, Injectors, Fuel Pump, External, Regulator, Harness, Tuner, Kit

Part Number: SNE-550-857K

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

FiTech Easy Street 600 HP Total Package EFI Swap Kits for 1964-1967 CHEVELLE - 38007

FiTech Easy Street 600 HP Total Package EFI Swap Kits for 1964-1967 CHEVELLE - 38007

FiTech Easy Street 600 HP Total Package EFI Swap Kits for 1964-1967 CHEVELLE - 38007

1964-1967 Chevelle Easy Street 600 HP Gold EFI System With Pump In-tank & Fuel Lines Total Package

Part Number: FIF-38007

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

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module 550-510-5PX-SBF

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module 550-510-5PX-SBF

Holley Sniper 2 EFI 650 HP Base Fuel Injection Systems with Power Distribution Module 550-510-5PX-SBF

Fuel Injection System, Sniper 2, Self-Tuning, Throttle body, Polished, 4150 Flange, 650 hp Max, 800 CFM, No Pump, PDM, 5.0 in. Display, Ford, Kit

Part Number: SNE-5505105PXSBF

Not Yet Reviewed

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Edelbrock Pro-Flo 4 EFI Systems 35930-BP

Edelbrock Pro-Flo 4 EFI Systems 35930-BP

Edelbrock Pro-Flo 4 EFI Systems 35930-BP

Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Black Plasma Coated, 450 HP Max, 289, 302, Small Block Ford, Kit

Part Number: EDL-35930-BP

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

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Estimated Ship Date: May 13, 2026 if ordered today

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-511-BPD

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-511-BPD

Holley Sniper 2 EFI 650 HP Returnless Fuel Injection Systems with Power Distribution Module 550-511-BPD

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

Part Number: SNE-550-511-BPD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-BAX

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-BAX

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-BAX

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

Part Number: SNE-550-510-BAX

Not Yet Reviewed

Estimated Ship Date: Today

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Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-BAE

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-BAE

Holley Sniper 2 EFI Fuel Injection Upgrade Kits 550-510-BAE

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

Part Number: SNE-550-510-BAE

Not Yet Reviewed

Estimated Ship Date: Today

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FiTech Ultimate Rebel LS 500 HP EFI Fuel Injection Systems 70088

FiTech Ultimate Rebel LS 500 HP EFI Fuel Injection Systems 70088

FiTech Ultimate Rebel LS 500 HP EFI Fuel Injection Systems 70088

Fuel Injection System, Ultimate Rebel LS 500 HP EFI, Short Intake, without Transmission Controller, Chevy, LS1/LS2/LS6, Kit

Part Number: FIF-70088

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

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-510-3PR

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-510-3PR

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-510-3PR

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

Part Number: SNE-550-510-3PR

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 35502

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 35502

FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 35502

Fuel Injection Systems, Go EFI 4 600 HP Matte Black EFI System With Force Fuel Mini Delivery Master Kit

Part Number: FIF-35502

Not Yet Reviewed

Estimated Ship Date: Today

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Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-511-BPR

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-511-BPR

Holley Sniper 2 EFI 650 HP Return-Type Fuel Injection Systems with Power Distribution Module 550-511-BPR

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

Part Number: SNE-550-511-BPR

Not Yet Reviewed

Estimated Ship Date: Today

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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

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

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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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.