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  3. HOLLEY EFI 300-912BK

HOLLEY EFI 300-912BK Ultra Coyote 090127473320

fits model: Ram. make: Ford.

300-912bk Holley Efi Ultra Lo-ram Ford Coyote Black

( Brand: Holley Efi ), ( Manufacturer Part Number: 300-912BK ), ( Material: Aluminum ), ( Country/region Of Manufacture: Cn ), ( UPC: 090127473320 )

Review HOLLEY EFI Ultra Lo ram Ford Coyote Black fits RAM

The Holley EFI 300-912BK Ultra LS-Swap Kit is a state-of-the-art fuel injection system specifically designed for Ford Coyote engines. This kit offers an ideal solution for enthusiasts looking to upgrade their factory fuel system with a high-performance electronic fuel injection setup.

At the heart of this kit is Holley's EFI Electronic Fuel Injection system, which is renowned for its reliability, ease of use, and exceptional performance. The Ultra LS-Swap Kit comes equipped with a Holley 350-1012 fuel pump and a high-performance 4-bar MAP sensor. The fuel pump is capable of delivering an impressive 350 lph (92 gallons per hour) of fuel flow, ensuring that your Coyote engine receives an adequate fuel supply for optimal performance.

The Ultra LS-Swap Kit is designed to be a direct replacement for the factory fuel system, making the installation process straightforward and hassle-free. The kit includes a wiring harness that plugs directly into the factory connectors, eliminating the need for custom wiring. Additionally, the kit includes a billet fuel pressure regulator, a return fuel line kit, and a fuel filter assembly, ensuring that you have all the necessary components for a complete installation.

One of the standout features of the Ultra LS-Swap Kit is its ability to integrate seamlessly with Holley's Vehicle Specific EFI software. This software allows for easy calibration and tuning of the fuel injection system, ensuring that your Coyote engine runs at its best, regardless of modifications or upgrades. Furthermore, the kit is compatible with various sensors, such as wideband oxygen sensors, allowing for real-time monitoring of engine performance.

The Ultra LS-Swap Kit is built to last, with high-quality materials and robust design. The fuel pump housing is made from billet aluminum, ensuring durability and resistance to corrosion. The fuel lines are made from reinforced PTFE material, offering superior flexibility and resistance to fuel degradation.

In summary, the Holley EFI 300-912BK Ultra LS-Swap Kit is a top-tier fuel injection solution for Ford Coyote engines. With its high-performance fuel pump, easy installation, and seamless integration with Holley's EFI software, this kit offers an unmatched combination of power, reliability, and convenience. Whether you're looking to gain an edge on the competition or simply want to upgrade your factory fuel system, the Ultra LS-Swap Kit is an excellent choice.

The Holley EFI 300-912BK Ultra LS- Swap EFI System is a popular choice for Ford Coyote engine applications. This electronic fuel injection (EFI) system offers several benefits, but it also comes with some potential drawbacks. Let's take a closer look at the pros and cons.

Pros:

1. Improved Idle Stability and Consistency: The Holley EFI system offers precise fuel delivery, which can help improve idle stability and consistency. This can lead to better drivability and a smoother engine operation.

2. Improved Fuel Economy: EFI systems, in general, are more efficient than carbureted systems. They deliver only the exact amount of fuel needed, which can lead to improved fuel economy.

3. Wide Powerband: The Holley EFI system can support a wide powerband, making it a great choice for high-performance applications. It can deliver fuel at high RPMs, which is essential for maximizing horsepower and torque.

4. Easy Tuning: The Holley EFI system comes with built-in fuel and ignition tuning capabilities. This makes it easy to tune the system to optimize performance for your specific application.

5. Improved Emissions: EFI systems can help improve emissions by delivering precise fuel delivery and eliminating the need for rich mixtures during idle and cruising conditions.

Cons:

1. Cost: The Holley EFI system is more expensive than a carburetor. The cost can be a significant barrier for some enthusiasts, especially those on a tight budget.

2. Complexity: EFI systems are more complex than carbureted systems. They require more wiring, sensors, and controllers, which can make installation more challenging.

3. Requires Electrical System Upgrades: The Holley EFI system requires a significant electrical system upgrade to provide the necessary power and ground. This can add to the cost and complexity of the installation.

4. Potential for Computer Issues: EFI systems rely on computers and software to control fuel delivery and ignition timing. This can make them more susceptible to computer issues, which can be costly to diagnose and repair.

Conclusion:

The Holley EFI 300-912BK Ultra LS-Swap EFI System for Ford Coyote engines offers several benefits, including improved idle stability, fuel economy, powerband, easy tuning, and emissions. However, it also comes with some potential drawbacks, including cost, complexity, electrical system upgrades, and computer issues.

If you're looking for improved performance, better drivability, and improved fuel economy, then the Holley EFI system may be worth the investment. However, if you're on a tight budget or prefer a simpler installation, then a carburetor may be a better choice for you. Ultimately, the decision comes down to your specific needs and priorities.

Recommendation:

If you're looking for improved performance, better drivability, and improved fuel economy for your Ford Coyote engine, then the Holley EFI 300-912BK Ultra LS-Swap EFI System is a great choice. However, be prepared for the additional cost, complexity, and electrical system upgrades required for installation. If you're on a tight budget or prefer a simpler installation, then a carburetor may be a better option for you.

Details:

Refined port design with streamlined injector boss for reduced turbulence without loss of flow area. Finally, an affordable Coyote intake manifold that also performs. As-cast aluminum construction: more durable for boosted applications, can be welded modifications. Modular design: accessible runner entries for porting, allows accessories like inter coolers and notorious plates.

Buyer pays return shipping. The Hi-Ram and Ultra Lo-Ram are designed to fit stock bolt pattern OE heads found on the 2011 2023 Ford 5.0 Coyotes related engine families, such as, Voodoo Predators. Offered in black and natural as-cast finish, both manifolds have a 9.20-inch runner length are designed to improve the mid high RPM power band. 300-912BK ULTRA LO-RAM FORD COYOTE BLACK: 848.95: 2015 2020 GT350 or 2019 2022 GT500.

This manifold design is only offered in an oval throttle body configuration. Offered in both round and oval throttle body configurations, with replacement. These kits include fuel rails for use with OEM type injectors and clips, mounting hardware, O-ring gaskets.

part #: 300912bk prices

  • $632.95-$668.92

specifications carbcoon:

  • for models: Ram
  • for makes: Ford
  • brand: Holley Efi
  • mpn: 300-912bk
  • material: Aluminum
  • country/region of manufacture: Cn
  • upc: 090127473320

general carbcoon:

  • condition: New
  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

offer carbcoon:

  • options: Ship-to-home
  • availability: In Stock
  • started: April 1, 2025
  • sold: 0

returns carbcoon:

  • time: 30 Days
  • paid by: Buyer
  • policy: Returns Accepted

payments carbcoon:

  • other
  • credit card: Mastercard
  • wallet: Paypal

shipping carbcoon:

  • class: Standard
  • cost: $0.00
  • type: Fixed
  • carrier: UPS
  • transit: 2-6 Days
  • service: UPS Ground

seller carbcoon:

  • # reviews: 9029
  • city: Bowling Green, Kentucky
  • rating: 98.7%
for models: ram, for makes: ford, country/region of manufacture: cn,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, material: aluminum, sku: 5416024042702762,

Holley Efi 300-912BK Is Similar To:

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5 offers $632.95–$668.92 USD
  • Offer #1: $632.95 price + $0.00 shipping estimate = $632.95* total. Finally, an affordable Coyote intake manifold that also performs! The oval inlet can accommodate up to a 150x66mm single throttle body and 93mm on the round variant. 2015-2020 GT350 or 2019-2022 GT500.FREE SHIPPING
  • Offer #2: $632.95 price + $0.00 shipping estimate = $632.95* total. Ultra Lo-Ram Modular Intake Manifold, Fits Ford Coyote Based Engines:, 5.0L Coyote, 5.2L Voodoo, 5.2L Predator, Fits 93mm Throttle Body (GT350, Predator, 4-Bolt LS Style), Fuel Rails, Cast-Aluminum, Black Finish Holley Ultra Lo-Ram Modular Intake Manifold for Ford Coyote Engines w/93mm Single Round Throttle Body (Black).FREE SHIPPING
  • Offer #3: $668.92 price + $0.00 shipping estimate = $668.92* total. This manifold design is only offered in an oval throttle body configuration. Finally, an affordable Coyote intake manifold that also performs! The Hi-Ram and Ultra Lo-Ram are designed to fit stock bolt pattern OE heads found on the 2011-2023 Ford 5.0 Coyotes and related engine families, such as, Voodoo and Predators.FREE SHIPPING
  • Offer #4: $632.95 price + $0.00 shipping estimate = $632.95* total. This manifold design is only offered in an oval throttle body. The aggressively designed Hi-Ram is constructed in a two-piece design to accommodate for air to water intercoolers and feature up to 20% more plenum volume versus Ultra Lo Rams.FREE SHIPPING
  • Offer #5: $732.57 price + $0.00 shipping estimate = $732.57* total.FREE SHIPPING

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