Best Fuel Pump Options for Holley Sniper Systems

When I first decided to ditch the carburetor and upgrade my classic to a Holley Sniper EFI system, I knew the fuel system was going to be the heart of the conversion. It’s not just about bolting on the throttle body; the right fuel pump is absolutely non-negotiable for reliable performance and proper fuel delivery to your Holley Sniper. I’ve seen firsthand how a mismatched or inadequate fuel pump can turn a dream build into a frustrating nightmare of lean conditions, sputtering, and general headaches. That’s why I put together this guide – to help you navigate the sea of fuel pump options for Holley Sniper Systems and make an informed choice. We’re going to dive deep into some of the best choices out there, comparing their features, understanding their real-world applications, and figuring out what works best for different setups and budgets. Let’s make sure your Sniper gets all the fuel it needs, reliably and efficiently.

IMAGE	PRODUCT NAME	AMAZON LINK
	Holley Sniper EFI 19-340 340 LPH E85 In-Tank Electric…	View on Amazon
	Holley Sniper EFI 19-380 Sniper Fuel Cell EFI Pump Module…	View on Amazon
	Holley Sniper EFI 12-329 Fuel Pump Module – 350LPH	View on Amazon
	Holley Sniper 12-270 3.5 GPM Twin Fuel Pump and Manifold…	View on Amazon
	Holley Sniper EFI 19-385 Sniper Fuel Cell EFI Pump Module…	View on Amazon
	Holley Sniper EFI 12-328 Fuel Pump Module – 350LPH	View on Amazon
	Holley Sniper EFI 12-317 In-Tank EFI Fuel Pump Module 255…	View on Amazon
	Holley Sniper EFI 19-341 340 LPH E85 In-Tank Electric…	View on Amazon
	Holley 12-801-1 97 GPH RED® Electric Fuel Pump	View on Amazon
	Holley Sniper EFI 12-333 Fuel Pump Module – 350LPH	View on Amazon

Product Reviews

Holley Sniper EFI 19-340 340 LPH E85 In-Tank Electric Fuel Pump

This 340 LPH (liters per hour) in-tank fuel pump from Holley Sniper EFI is a fantastic all-around option for many conversions. Its E85 compatibility makes it versatile for those running alternative fuels, while its compact design means it often fits into existing fuel hanger assemblies without major modifications. This is a huge plus for builders looking for a cleaner, quieter, and more reliable in-tank solution over external pumps. The complete kit includes all the necessary drop parts and accessories, simplifying the installation process. You’re getting a robust fuel delivery system designed to integrate seamlessly with your Sniper EFI.

• 340 LPH flow rate
• E85 Compatible
• Designed for in-tank use only
• Compact size fits existing hanger assemblies
• Complete kit with installation instructions and inlet filter

Pros:
– Excellent flow for most moderate to high horsepower applications
– E85 compatibility offers fuel flexibility
– In-tank design is quieter and runs cooler
– Easy installation into existing hangers
– Comes with a complete kit for convenience

Cons:
– Requires dropping the fuel tank for installation
– May not be sufficient for extreme horsepower builds

Best for: Street/strip cars with moderate to high horsepower, E85 users, and those seeking a clean, factory-like in-tank EFI conversion.

User feedback summary: Users frequently praise this pump for its straightforward installation and solid performance, noting its quiet operation and reliable fuel supply for their Holley Sniper systems, especially when converting from carburetors.

Holley Sniper EFI 19-380 Sniper Fuel Cell EFI Pump Module

If you’re working with a fuel cell, or planning to, this Sniper Fuel Cell EFI Pump Module is a game-changer. It’s engineered to easily convert your existing 12-bolt flange fuel cell to EFI, eliminating the need for complex custom fabrication. The diecast aluminum top flange is a quality touch, including both -6AN inlet and outlet ports, and a fuel filler cap. What truly sets this module apart is its fully adjustable pump depth (7.5”-12” deep), making it incredibly versatile for various cell sizes. This module is available with a single 340 LPH pump, supporting both return and returnless systems.

• Designed for 12-bolt flange fuel cells
• Diecast aluminum top flange with -6AN ports and filler cap
• Fully adjustable pump depth (7.5”-12” deep)
• Single 340 LPH fuel pump
• Available for return and returnless system designs

Pros:
– Simplifies EFI conversion for fuel cells dramatically
– Adjustable depth ensures broad compatibility
– High-quality components with integrated ports
– Supports both return and returnless systems
– Clean and integrated look for fuel cell setups

Cons:
– Only suitable for vehicles with a 12-bolt flange fuel cell
– 340 LPH might be a limit for extremely high-HP race applications

Best for: Race car builds, custom projects utilizing fuel cells, and anyone looking for a clean, professional EFI fuel cell solution.

User feedback summary: Owners love the simplicity and effectiveness of this module for converting fuel cells, highlighting the adjustable depth as a major advantage and appreciating the robust construction for consistent fuel delivery to their Holley Sniper EFI.

Holley Sniper EFI 12-329 Fuel Pump Module – 350LPH

This Holley Sniper EFI 12-329 module is a direct replacement in-tank fuel pump designed to streamline your EFI conversion. Flowing a stout 350 LPH, it’s capable of supporting EFI engines up to 750 horsepower, making it a serious contender for performance builds. One of its standout features is the pre-calibrated fuel-level sending unit, which is designed to work with your factory fuel gauge, solving a common headache with EFI conversions. This unit truly addresses the typical issues encountered when moving from a carburetor to a modern EFI system, offering a high-pressure, reliable fuel supply.

• 350 LPH flow rate
• Supports up to 750 horsepower
• Includes pre-calibrated fuel-level sending unit
• Direct replacement design
• High-pressure unit for EFI

Pros:
– High horsepower support (up to 750 HP)
– Integrated fuel level sending unit for factory gauge compatibility
– Direct replacement simplifies installation significantly
– Reliable high-pressure fuel for stable EFI operation
– Solves common EFI conversion issues

Cons:
– Specific to certain vehicle applications for “direct replacement”
– Requires dropping the fuel tank

Best for: Enthusiasts upgrading a specific vehicle (check application fitment) to Holley Sniper EFI, needing high horsepower support, and wanting to retain a functional factory fuel gauge.

User feedback summary: Many users rave about the ease of installation due to its direct replacement nature and the accuracy of the integrated fuel level sender, praising its robust performance for feeding their high-horsepower Holley Sniper setups.

Holley Sniper 12-270 3.5 GPM Twin Fuel Pump and Manifold

For serious power and reliability, the Holley Sniper 12-270 Twin Fuel Pump and Manifold is an external, high-performance solution. This beast features twin pumps, each drawing a max of 20A, ensuring ample fuel delivery for high-horsepower engines. It’s rated for gas and E-85, offering versatility, though it’s noted that pump life will be reduced with 100% ethanol. The billet, anodized, laser-etched components not only look fantastic but also speak to its robust construction. With a -10 AN male inlet and -8 AN male outlet manifold fitting, it’s designed for serious fuel systems, though additional fittings may be needed.

• Twin fuel pumps for maximum flow
• Max amperage: 20A per pump
• Rated for gas and E-85 (caution with 100% ethanol)
• Billet, anodized, laser-etched components
• Manifold includes -10 AN inlet and -8 AN outlet fittings
• Pump I/O: -8 AN ORB

Pros:
– Exceptional flow rate for very high horsepower applications
– Redundancy of twin pumps adds a layer of reliability
– High-quality, durable billet construction
– E85 compatibility for flexible fueling options
– Ideal for demanding race or street/strip builds

Cons:
– External mounting can be louder than in-tank systems
– Higher power draw due to twin pumps
– Requires a return-style fuel system
– Premium price point

Best for: Extreme horsepower builds (800+ HP), dedicated race cars, forced induction setups, or those who prefer the accessibility and redundancy of an external twin-pump system for their Holley Sniper.

User feedback summary: Owners report this twin pump setup is a powerhouse, providing rock-solid fuel pressure even under extreme load, appreciating its robust build and the peace of mind of having two pumps for their high-performance Holley Sniper EFI engines.

Holley Sniper EFI 19-385 Sniper Fuel Cell EFI Pump Module

Similar to the 19-380, the Holley Sniper EFI 19-385 is another excellent option for upgrading your fuel cell to EFI the easy way. This module is specifically designed to drop into existing 12-bolt flange fuel cells, making it an incredibly convenient solution. It features a diecast aluminum top flange with integrated -6AN inlet and outlet ports, plus a fuel filler cap for a clean installation. The key benefit here is the fully adjustable pump depth, accommodating cell sizes from 7.5” to 12” deep, ensuring it fits a wide range of popular fuel cells. This module comes with a single 340 LPH fuel pump and can be used in both return and returnless systems.

• Designed for 12-bolt flange fuel cells
• Diecast aluminum top flange with -6AN ports and fuel filler cap
• Fully adjustable pump depth (7.5”-12” deep)
• Single 340 LPH fuel pump
• Supports both return and returnless system designs

Pros:
– Streamlines EFI conversion for fuel cells
– Adjustable depth for broad fuel cell compatibility
– Integrated ports and filler cap for a clean setup
– Versatile for return or returnless systems
– High-quality construction for durability

Cons:
– Limited to 12-bolt flange fuel cells
– 340 LPH might not suit very extreme HP applications

Best for: Custom projects, race cars, or hot rods that utilize a 12-bolt flange fuel cell and are converting to Holley Sniper EFI, prioritizing ease of installation and a clean aesthetic.

User feedback summary: Users appreciate the straightforward installation and the robust design of this module, noting how it perfectly integrates into their fuel cells and provides consistent fuel delivery for their Holley Sniper setups without any fuss.

Holley Sniper EFI 12-328 Fuel Pump Module – 350LPH

The Holley Sniper EFI 12-328 is another robust in-tank fuel pump module, designed for performance and ease of installation. Like its sibling, the 12-329, this unit flows 350 LPH and is capable of supporting EFI engines up to 750 horsepower, making it suitable for a wide range of powerful street and track applications. It also includes a pre-calibrated fuel-level sending unit that’s designed to work with your factory fuel gauge, solving the common dilemma of losing your gauge function during an EFI swap. This is a direct replacement module, meaning it’s built to fit specific factory fuel tank applications perfectly, simplifying the overall conversion from carburetor to EFI.

• 350 LPH flow rate
• Supports up to 750 horsepower
• Includes pre-calibrated fuel-level sending unit
• Direct replacement for specific applications
• High-pressure EFI pump

Pros:
– High horsepower support (up to 750 HP)
– Retains factory fuel gauge functionality
– Direct replacement fitment reduces installation time and complexity
– Reliable high-pressure fuel delivery for stable EFI operation
– Solves common issues of EFI conversion

Cons:
– Fitment is specific to certain vehicle applications
– Requires dropping the fuel tank for installation

Best for: Performance enthusiasts with specific vehicle applications (check compatibility) who need significant horsepower support and desire a seamless EFI conversion while keeping their factory fuel gauge working with their Holley Sniper.

User feedback summary: This module is highly rated for its “drop-in” installation and the convenience of the pre-calibrated fuel sender, with users consistently reporting reliable fuel pressure and excellent performance for their high-powered Holley Sniper builds.

Holley Sniper EFI 12-317 In-Tank EFI Fuel Pump Module 255 LPH

The Holley Sniper EFI 12-317 offers a more entry-level, yet highly effective, in-tank fuel pump solution. It supports up to 550 horsepower with a flow rate of 255 LPH, making it ideal for mild to moderate street applications. A key feature of this module is its internally regulated 58 PSI, simplifying your fuel system design by eliminating the need for an external fuel pressure regulator. Perhaps most impressively, it includes the patented HydraMat fuel reservoir system. This innovative system significantly reduces fuel starvation issues during hard cornering, acceleration, or low fuel levels, ensuring consistent fuel delivery to your Holley Sniper EFI.

• 255 LPH flow rate
• Supports up to 550 horsepower
• Internally regulated to 58 PSI
• Includes HydraMat patent-pending fuel reservoir system

Pros:
– Internally regulated pressure simplifies plumbing
– HydraMat technology prevents fuel starvation
– Good for moderate horsepower street applications
– In-tank design is quiet and runs cool
– Excellent value for a complete module

Cons:
– Lower horsepower support than 340 LPH or 350 LPH options
– Requires dropping the fuel tank

Best for: Street cars with mild to moderate horsepower (up to 550 HP), drivers who want to avoid fuel starvation issues, and those looking for a simplified, internally regulated fuel system for their Holley Sniper.

User feedback summary: Customers frequently praise the HydraMat for its effectiveness in preventing fuel slosh, making this pump a reliable choice for daily drivers and weekend cruisers, noting its quiet operation and consistent fuel pressure for their Holley Sniper EFI.

Holley Sniper EFI 19-341 340 LPH E85 In-Tank Electric Fuel Pump

This is another strong contender in the 340 LPH category from Holley Sniper EFI, very similar to the 19-340. The 19-341 is a reliable E85 compatible in-tank electric fuel pump, delivering 340 LPH of fuel. Its design prioritizes ease of installation, as it’s compact enough to fit into existing hanger assemblies without modification, which is a huge benefit for enthusiasts undertaking an EFI swap. The pump comes as a complete kit, including all drop parts, accessories, and detailed installation instructions, ensuring you have everything you need for a smooth setup. The inlet filter also meets or exceeds OE specifications, providing superior filtration and durability for your fuel system.

• 340 LPH flow rate
• E85 Compatible
• Designed for in-tank use only
• Compact size fits existing hanger assemblies
• Complete kit with installation instructions and OE-spec inlet filter

Pros:
– Strong flow rate for most performance applications
– E85 compatibility for fueling flexibility
– In-tank design promotes quiet operation and cooler fuel
– Easy fitment into many existing hanger assemblies
– Comprehensive kit simplifies the installation process

Cons:
– Requires dropping the fuel tank
– May not be ideal for extreme horsepower levels beyond 700 HP

Best for: Performance street cars, moderate race builds, and anyone converting to Holley Sniper EFI who needs E85 compatibility and desires a straightforward in-tank fuel pump solution.

User feedback summary: Users often highlight the smooth installation and the solid performance of this 340 LPH pump, appreciating its ability to consistently feed their Holley Sniper EFI systems, especially for those running E85.

Holley 12-801-1 97 GPH RED® Electric Fuel Pump

While many Sniper systems require higher pressure, the Holley 12-801-1 RED® Electric Fuel Pump can be a suitable option for some very specific, lower-power Holley Sniper EFI setups that utilize a return-style system with an external regulator, or for carbureted systems that might later be upgraded to a low-pressure Sniper. This pump boasts a tumble-polished billet look and a lower housing casting designed for enhanced fuel flow. With a maximum pressure of 7 PSI and a motor that draws only 2 amps current, it’s an efficient, low-pressure pump. It’s recommended to use with a relay kit P/N 12-753 and a 7 1/2 amp fuse. Note: For most direct Holley Sniper EFI applications, this pump’s low pressure is usually insufficient unless specifically paired with a surge tank and another high-pressure pump. Always verify pressure requirements for your specific Sniper setup.

• 97 GPH (gallons per hour) flow rate
• Tumble polished billet look
• Enhanced fuel flow casting design
• Maximum pressure: 7 PSI
• Low current draw: 2 amps
• Relay kit & fuse recommended

Pros:
– Extremely low current draw
– Durable and attractive billet housing
– Reliable for low-pressure applications
– Cost-effective for its intended use

Cons:
– NOT suitable as a direct primary fuel pump for most Holley Sniper EFI systems due to low pressure.
– Requires a separate high-pressure pump or surge tank for EFI.
– Lower flow rate compared to dedicated EFI pumps.

Best for: Low-pressure carbureted applications, as a lift pump in a surge tank setup for a Holley Sniper EFI, or for very specific, low-HP EFI setups if paired with an external high-pressure regulator that it can supply consistently. Crucial to double-check compatibility with your Sniper’s pressure needs.

User feedback summary: While praised for its reliability and low current draw in carburetor applications, users emphasize that for Holley Sniper EFI, this pump typically serves as a lift pump to a surge tank system, not as the primary high-pressure pump.

Holley Sniper EFI 12-333 Fuel Pump Module – 350LPH

Rounding out our list, the Holley Sniper EFI 12-333 Fuel Pump Module provides another robust solution for your EFI conversion. This in-tank module delivers a substantial 350 LPH, capable of supporting EFI engines up to 750 horsepower, making it a powerhouse for most performance builds. A key convenience feature is the pre-calibrated fuel-level sending unit, meticulously designed to integrate with your factory fuel gauge, thereby avoiding common post-conversion gauge issues. As a direct replacement unit, it’s engineered to fit specific vehicle applications, which significantly solves the usual complexities of converting from carburetor to EFI by offering a straightforward, high-performance upgrade path.

• 350 LPH flow rate
• Supports up to 750 horsepower
• Includes pre-calibrated fuel-level sending unit
• Direct replacement for specific applications
• High-pressure EFI pump

Pros:
– High horsepower capability (up to 750 HP)
– Maintains factory fuel gauge functionality
– Direct replacement for ease of installation
– Reliable, consistent high fuel pressure
– Simplifies overall EFI conversion process

Cons:
– Requires dropping the fuel tank
– Fitment is specific to certain vehicle makes/models

Best for: Enthusiasts with specific vehicle applications (verify fitment) undertaking a Holley Sniper EFI conversion, who require high horsepower support and want to maintain the originality of their factory fuel gauge.

User feedback summary: Owners frequently highlight the “perfect fit” and the invaluable feature of the working factory fuel gauge after installation, reporting consistent fuel pressure and flawless performance for their high-HP Holley Sniper EFI engines.

Helpful Comparison Insights

When choosing the best fuel pump options for Holley Sniper Systems, it really boils down to your specific build and goals. We’ve looked at a range of Holley Sniper EFI fuel pumps, and while they all aim to reliably feed your EFI, their approaches vary.

First, let’s talk horsepower ratings and flow rates. For milder street applications, the Holley Sniper EFI 12-317 (255 LPH, 550 HP) is a solid and cost-effective choice, especially with its integrated HydraMat for fuel starvation prevention. For most street/strip builds aiming for around 600-750 horsepower, the Holley Sniper EFI 19-340/19-341 (340 LPH, E85 compatible) and the Holley Sniper EFI 12-329/12-328/12-333 (350 LPH, 750 HP) modules are your go-to options. The subtle differences between the 340 LPH and 350 LPH pumps often come down to specific kit contents or direct fit applications. Remember, matching LPH to your engine’s maximum horsepower is critical – undersizing will lead to lean conditions and potential damage.

Next, consider in-tank versus external pumps. Most Holley Sniper EFI systems perform best with an in-tank pump. In-tank pumps like the 19-340, 12-317, and the 350 LPH modules (12-329, 12-328, 12-333) run quieter, keep the fuel cooler, and are generally more reliable as they’re constantly submerged. However, they require dropping the fuel tank for installation, which can be a bigger job. The Holley Sniper 12-270 Twin Fuel Pump is a robust external option for extreme horsepower, offering easy access but potentially more noise and heat. It’s a trade-off between installation convenience/noise and ultimate flow.

For those running fuel cells, the Holley Sniper EFI 19-380/19-385 Fuel Cell EFI Pump Modules are purpose-built to simplify the conversion. Their adjustable pump depth (7.5”-12” deep) is a key feature, making them incredibly versatile for different cell sizes. These modules make what could be a complex fabrication job into a straightforward drop-in.

E85 compatibility is another major factor. If you plan to run E85, ensure your pump is specifically rated for it, like the Holley Sniper EFI 19-340 and 19-341. While some pumps might handle it for a short time, prolonged E85 use with non-compatible pumps will drastically shorten their lifespan.

Finally, the Holley 12-801-1 RED® Electric Fuel Pump stands out as an outlier. It’s a low-pressure pump, excellent for carburetors, but generally insufficient as a primary high-pressure pump for a Holley Sniper EFI system. It could potentially be used as a lift pump in a sophisticated surge tank setup, but if you’re looking for a direct EFI pump, you’ll need one of the higher LPH, higher-pressure options. Always ensure your chosen pump meets the 58 PSI regulated pressure requirement of a Holley Sniper system.

The decision often comes down to: What’s your horsepower goal? Are you running E85? Do you have an existing fuel tank or a fuel cell? And how much DIY work are you comfortable with? Opting for a direct replacement module with a pre-calibrated fuel-level sending unit (like the 350 LPH modules) can save you a lot of hassle in keeping your factory gauge working.

Final Verdict

Choosing the absolute “best” fuel pump for your Holley Sniper EFI system isn’t a one-size-fits-all answer; it’s about finding the perfect match for your specific vehicle and performance aspirations. If you’re building a performance street machine that’s going to see some track time and you want the simplicity of an in-tank setup with E85 flexibility, a Holley Sniper EFI 19-340 or 19-341 340 LPH pump is an outstanding choice.

For those pushing the boundaries of horsepower – think 600-750 HP – and wanting to maintain their factory fuel gauge, one of the Holley Sniper EFI 350 LPH modules (12-329, 12-328, 12-333) designed as a direct replacement would be incredibly hard to beat. They truly simplify the EFI conversion while providing ample fuel.

If your build involves a fuel cell, the Holley Sniper EFI 19-380 or 19-385 Fuel Cell EFI Pump Module is the clear winner. Its adjustable depth and integrated components offer unparalleled ease for fuel cell EFI conversions. And for the most extreme powerplants, where ultimate flow and redundancy are paramount, the Holley Sniper 12-270 Twin Fuel Pump and Manifold is a top-tier, high-performance external solution.

Ultimately, the goal is to ensure your Holley Sniper system receives a consistent, clean, and appropriately pressurized fuel supply. Don’t skimp on the fuel pump; it’s the lifeline of your EFI system. Evaluate your horsepower needs, fuel type, existing setup, and budget, then pick the Holley Sniper fuel pump that will reliably deliver performance for miles to come.

Comprehensive FAQ Section

Q1: Why is a specific fuel pump crucial for my Holley Sniper System?
A: A Holley Sniper EFI system requires a high-pressure, high-volume fuel supply that carbureted systems simply don’t. Typically, Sniper systems need a constant 58 PSI (pounds per square inch) of fuel pressure. A dedicated EFI fuel pump, designed for these requirements, ensures consistent fuel delivery, proper atomization, and prevents lean conditions that can damage your engine. Using an inadequate pump is one of the quickest ways to cause issues with your Holley Sniper.

Q2: What does LPH mean, and how much do I need for my Holley Sniper?
A: LPH stands for Liters Per Hour, which is a measure of the fuel pump’s flow rate. The amount of LPH you need directly correlates to your engine’s horsepower output. As a general rule of thumb, a 255 LPH pump can support around 500-550 HP, a 340-350 LPH pump can support up to 700-750 HP, and higher flow rates (like twin pumps) are needed for extreme horsepower applications (800+ HP). Always factor in potential future upgrades and add a buffer when calculating your needs for your Holley Sniper fuel pump.

Q3: Should I choose an in-tank or external fuel pump for my Holley Sniper setup?
A: For most Holley Sniper EFI conversions, an in-tank fuel pump is generally recommended. In-tank pumps run quieter, keep the fuel cooler (which is good for pump longevity and fuel consistency), and are less prone to vapor lock. External pumps, like the twin pump manifold, are often used for very high horsepower applications where an in-tank solution isn’t feasible or for ease of access in race applications, but they can be louder and prone to overheating the fuel more easily. Both are viable fuel pump options for Holley Sniper Systems, but in-tank usually offers a better overall experience for street cars.

Q4: Is E85 compatibility important for Holley Sniper fuel pumps?
A: Yes, absolutely, if you plan to run E85 fuel. E85 (ethanol-rich fuel) is corrosive to components not designed for it. Using a non-E85 compatible pump with E85 fuel will lead to premature pump failure. If there’s any chance you’ll use E85, invest in a specifically rated E85 compatible fuel pump for your Holley Sniper from the start, like the Holley Sniper EFI 19-340 or 19-341.

Q5: What other components do I need when installing a new fuel pump for Holley Sniper?
A: Besides the fuel pump itself, you’ll need appropriate fuel lines (usually -6AN or -8AN for feed and return, depending on HP), a fuel pressure regulator (unless your pump is internally regulated or the Sniper system manages it), a fuel filter (both pre-pump and post-pump filters are highly recommended), and potentially a fuel pressure gauge to monitor system health. If converting from a carburetor, you’ll also need to ensure your fuel tank is clean and consider a new fuel sending unit if your pump module doesn’t include one designed for your factory gauge.

Q6: Can I use my factory fuel lines with a Holley Sniper EFI system and a new fuel pump?
A: In most cases, no, you cannot or should not use original factory hard lines with a Holley Sniper EFI system. Factory carburetor fuel lines are typically too small in diameter to handle the high volume and pressure required by EFI. They often lack a return line, which is crucial for most Holley Sniper setups to maintain consistent fuel pressure and prevent fuel overheating. Upgrading to larger, proper EFI-rated fuel lines is a critical step for reliable Holley Sniper operation.

Q7: How does a fuel cell EFI module differ from a regular in-tank pump for Holley Sniper?
A: A fuel cell EFI module, like the Holley Sniper EFI 19-380/19-385, is specifically designed to drop into a fuel cell with a standard 12-bolt flange, providing a clean, integrated solution. It usually includes a top plate with integrated fuel ports and often a filler cap. A “regular” in-tank pump (e.g., 19-340) is typically a universal replacement pump designed to fit into an existing factory fuel tank hanger assembly or require minimal modification to an existing hanger. While both are in-tank solutions for Holley Sniper, their mounting and integration methods differ significantly based on the type of fuel tank used.