SKU: 22737842518

Holley 255 LPH OE Style EFI Fuel Tank Modules - 12-316

Sale price$202.47 Regular price$224.97
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Description

Holley 255 LPH OE Style EFI Fuel Tank Modules - 12-316Overview: This in tank fuel pump module is a high pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower Fuel pressure is internally regulated to 58 psi eliminating the addedexpense and effort of purchasing and installing an external fuel pressure regulator no separate return line is required because this module returns excess fuel right inside the tank! A

Overview:

This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower  Fuel pressure is internally regulated to 58 psi eliminating the addedexpense and effort of purchasing and installing an external fuel pressure regulator - no separate return line is required because this module returns excess fuel right inside the tank!  A pre-calibrated fuel-level sending unit designed to work with the factory fuel gauge for this application is included  This module also features a HydraMat filter which has a unique internal reservoir that keeps fuel available at the pick-up and also provides protection from contaminates This 1966-67 Chevy II and Nova Muscle Car EFI Fuel Pump module was designed as a direct replacement for your factory pick-up and sending unit. There is no need to purchase a custom EFI fuel tank. You can even retain the factory fuel hard line, just connect the outlet of the pump module to the hard line on your vehicle with EFI-rated fuel hose and hose clamps available in the Earls Vapor Guard line. This Muscle Car EFI Module includes a 255 LPH fuel pump and a Holley HydraMat. HydraMat is an amazing patent-pending fuel reservoir system that reduces fuel starvation issues that might otherwise occur while cornering, accelerating, stopping, traversing inclines, and during low fuel conditions.

Features:

     

    Application:

    Year Make Model Submodel Engine Size
    1966 - 1967 Chevrolet Chevy II Nova 327/5.3L V8
    1967 Chevrolet Chevy II Nova SS 250/4.1L L6
    1966 - 1967 Chevrolet Chevy II Nova 153/2.5L L4
    1966 - 1967 Chevrolet Chevy II Base 283/4.6L V8
    1966 Chevrolet Chevy II Nova 230/3.8L L6
    1967 Chevrolet Chevy II Nova 250/4.1L L6
    1967 Chevrolet Chevy II Nova SS 327/5.3L V8
    1966 - 1967 Chevrolet Chevy II Nova SS 194/3.2L L6
    1966 - 1967 Chevrolet Chevy II Nova 194/3.2L L6
    1966 - 1967 Chevrolet Chevy II Nova SS 283/4.6L V8
    1966 - 1967 Chevrolet Chevy II Nova 283/4.6L V8
    1966 - 1967 Chevrolet Chevy II Base 153/2.5L L4
    1966 - 1967 Chevrolet Chevy II Base 194/3.2L L6
    1966 - 1967 Chevrolet Chevy II Base 327/5.3L V8
    1966 Chevrolet Chevy II Nova SS 327/5.4L V8
    1966 Chevrolet Chevy II Base 230/3.8L L6
    1967 Chevrolet Chevy II Base 250/4.1L L6
    1966 Chevrolet Chevy II Nova SS 230/3.8L L6

     

    Specs:

    Brand Holley Sniper EFI
    Emission Code 5
    Engine 350/5.7L V8
    Free Flow LPH 255
    Fuel Sending Unit Ohms 0-90 Ohms
    Fuel Type Gasoline
    Inlet Diameter (in) 5/16"
    Make Chevrolet
    Model Chevy II/Nova
    Product Type Fuel Pump Module
    Vent Size N/A
    Warning California Proposition 65
    Warranty Limited 90 Day
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 22737842518

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    4.8 ★★★★★
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    Verified Purchase
    E. A. Baptist
    Phoenix, US
    ★★★★★ 4
    Makes a difference but maybe only to caffeine addled coffee snobs
    Color: Black
    I won't say that everyone urgently needs one of these. This is helped me up my game. Perhaps not absolutely necessary, but it noticeably reduces canalization and improves extraction. And it appears to have improved not only my espresso, but my pour-overs and my Mokapot (especially the Mokapot!). It's a little fiddley to assemble - there's sets of springs and needles - but once you get it all locked down, its very tight. There's a set of spares - I can't imagine needing them. The tool kinda sits in the weighted base, but it appears to stay put in my cabinet.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 24, 2026
    D
    Verified Purchase
    David J.
    Chelsea, US
    ★★★★★ 5
    Excellent espresso tool
    Color: Black
    Very nicely made and works as intended. Also comes with extra needles. Highly recommend.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 17, 2026
    J
    Verified Purchase
    JP Richardson
    San Leandro, US
    ★★★★★ 5
    WDT Tool: The Needle in My Espresso Haystack
    Color: Black, Color: Black
    I kind of went down a deep dive researching these WDT (Weiss Distribution Technique) tools, and I have to say, this one hits the sweet spot! The needle size is just right, and the shape is spot on for what I need. Plus, it’s a nice perk that you can remove and replace the needles. I’ve tried using needles and bobby pins in the past, but they were too thick and just ended up creating their own channels—talk about a brewing disaster! Now, here’s the twist: even though it comes with seven needles installed (and more replacements), I find it a bit overkill. With all those needles, it just traps the grinds in the center, pushing stuff around like it’s playing a game of “don’t let the coffee escape.” So, I stick with just three needles in a triangle formation for optimal distribution. Pro tip: don’t forget to adjust the depth as you use it to ensure you’re getting the best coverage of your coffee grounds! The build quality is actually pretty impressive. It feels like well-constructed metal components that could survive a small espresso war. Plus, it's more affordable than some of those fancy options out there—because who needs a second mortgage for great coffee? It looks quite nice on my counter, and the little stand is a handy extra touch. Overall, if you’re looking to up your espresso game and avoid the chaos of uneven distribution, this WDT tool is worth considering. Just remember: less is sometimes more when it comes to needles!
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on October 20, 2024
    V
    Verified Purchase
    Victoria Hawkins
    Birmingham, US
    ★★★★★ 5
    Love this thing!!!
    Color: Black, Color: Black
    Hey, coffee lovers! ☕️ I recently got my hands on the WDT Espresso Distribution Tool Espresso Stirrer Tools for Barista, and let me tell you, it's a game-changer! 🙌 I'm absolutely thrilled with this amazing tool and can't recommend it enough to fellow coffee enthusiasts and professional baristas alike. First things first, the build quality of this espresso stirrer is top-notch! 💪 The aluminum alloy handle not only adds durability but also gives it a sleek and professional look, especially in the matte black finish. Holding this tool feels great, and the ergonomic design ensures a comfortable grip even during those long brewing sessions. The 0.35mm 7 needles are perfectly spaced, allowing for precise and consistent distribution of coffee grounds in the portafilter. This means a more even extraction and an enhanced flavor profile in every sip. And guess what? You get 7 extra replaceable needles as a bonus! 🎉 This ensures the longevity of the tool and easy replacement when needed. But wait, there's more! The included stand is a fantastic addition to this package. 🎁 It not only serves as a convenient storage solution but also adds a touch of elegance to my coffee setup. No more rolling around and cluttered workspace. Everything stays in place, thanks to the stand! Using the WDT Espresso Distribution Tool is a breeze! ⚡️ The precisely engineered needles and ergonomic design make it effortless to distribute the coffee grounds evenly. Whether you're a pro barista or a home brewing enthusiast, this tool will take your espresso game to new heights. Trust me on this one! In conclusion, the WDT Espresso Distribution Tool Espresso Stirrer is an absolute must-have for any coffee lover out there. 💯 Its top-notch build quality, precision, and thoughtful design will bring joy to your coffee routine. So, don't wait any longer! Treat yourself and elevate your espresso-making experience with this amazing tool. Cheers! 🥳☕️
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on June 12, 2023
    J
    Verified Purchase
    Johnson Phan
    Phoenix, US
    ★★★★★ 5
    Easy to use and affordable - great value for money!
    Color: Black
    I recently purchased the Nessus WDT Espresso distribution tool and I am thoroughly impressed with its performance. Assembling it was a breeze, and it came with extra needles which is always a plus. The tool is easy to clean, which is important to me because I like to keep my equipment in top condition. The price was very fair compared to other similar products on the market, making it an even better value for money. One thing that really stood out to me was the brush that collects the coffee grounds. It's incredibly easy to clean, which makes maintenance a breeze. I've had my share of espresso machines in the past, and I can tell you that this one is a keeper. I would definitely recommend it to anyone looking for a high-quality distribution tool at an affordable price
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on December 16, 2025

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