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  3. HOLLEY EFI 300-714

HOLLEY EFI 300-714 Ultra Throttle Body Adapter Gm 090127124147 105MM

fits model: Lt, Ram.

300-714 Holley Efi Ultra Lo-ram 105mm Throttle Body Adapter - Gm Gen V Lt

( Brand: Holley Efi ), ( Part Type: Throttle Adapter ), ( Color: Silver ), ( Material: Cast Aluminum ), ( UPC: 090127124147 ), ( Manufacturer Part Number: 300-714 )

Review HOLLEY EFI Ultra Lo ram 105mm Throttle Body Adapter Gm Gen fits RAM LT

The Holley EFI 300-714 Ultra LO-RAM 105mm Throttle Body Adapter for GM Gen I and II engines is a high-performance solution for upgrading your carbureted engine to fuel injection. This throttle body adapter is specifically designed for use with Holley's Ultra LO-RAM fuel injection systems and is compatible with GM Gen I and II engines that utilize a 105mm throttle body.

The Ultra LO-RAM system is known for its exceptional idle quality and smooth throttle response, making it an ideal choice for both street and racing applications. This throttle body adapter is no exception, as it is engineered to provide precise throttle control and optimized airflow for maximum power and efficiency.

The adapter is CNC-machined from billet aluminum for superior strength and durability. It features a 105mm bore size to match OEM GM throttle bodies, ensuring a direct fitment and easy installation. The adapter also includes a built-in idling circuit, which allows for fine-tuning of idle adjustments for optimal performance.

The Ultra LO-RAM design incorporates a unique low-rpm air correction system, which helps to maintain consistent idle quality and power delivery at low engine speeds. This system utilizes a small, high-velocity passage that draws air from the intake manifold and mixes it with the fuel and air entering the throttle body. This results in more consistent air/fuel ratios at low engine speeds, which can help to eliminate stalling, surging, and other common fuel injection issues.

The Holley EFI 300-714 Ultra LO-RAM 105mm Throttle Body Adapter also includes a high-flow, 5-blade mass airflow sensor, which provides accurate airflow measurements for the fuel injection system. This sensor is designed to handle high airflow rates and is suitable for use with performance air filters and induced air systems.

Overall, the Holley EFI 300-714 Ultra LO-RAM 105mm Throttle Body Adapter is an excellent choice for anyone looking to upgrade their carbureted GM engine to fuel injection. Its precise fitment, exceptional idle quality, and smooth throttle response make it an ideal choice for both daily drivers and high-performance race cars.

The Holley EFI 300-714 Ultra LO-RAM 105mm Throttle Body Adapter for GM Gen I-III engines is a popular upgrade for those looking to add electronic fuel injection (EFI) systems to their classic cars. Here are some pros and cons of this throttle body adapter to help you make an informed decision:

Pros:

1. Fuel Efficiency: EFI systems are known to provide better fuel efficiency compared to traditional carbureted systems. This can result in significant savings at the pump, especially for those driving large engines or high-performance vehicles.

2. Consistent Power Delivery: EFI systems provide consistent power delivery throughout the entire RPM range, unlike carburetors that can struggle to deliver power at low RPMs or high RPMs.

3. Improved Idle Quality: EFI systems offer improved idle quality, which can result in a smoother running engine.

4. Easy-to-Tune: The Holley EFI system can be easily tuned using a laptop or a handheld device, allowing for precise fuel and ignition adjustments.

5. Compatibility: This throttle body adapter is compatible with a wide range of GM Gen I-III engines, making it a versatile option for many classic car owners.

Cons:

1. Cost: EFI systems can be more expensive to purchase and install compared to carbureted systems. The cost of the Holley EFI system, along with the necessary wiring harness, sensors, and other components, can add up quickly.

2. Complexity: EFI systems can be more complex to install compared to carbureted systems. Installing an EFI system requires a good understanding of engine wiring, fuel systems, and electronic components.

3. Maintenance: EFI systems require regular maintenance, such as replacing sensors and filters, to ensure optimal performance.

4. Compatibility Limitations: While the Holley EFI system is compatible with a wide range of GM Gen I-III engines, there may be some limitations for specific engine configurations or applications.

Conclusion:

The Holley EFI 300-714 Ultra LO-RAM 105mm Throttle Body Adapter for GM Gen I-III engines offers several advantages, including improved fuel efficiency, consistent power delivery, and easy tuning. However, it also comes with some drawbacks, such as cost, complexity, and maintenance requirements. Ultimately, the decision to purchase this throttle body adapter depends on your specific needs, budget, and technical abilities. If you're looking for better fuel efficiency, consistent power delivery, and the ability to easily tune your classic car's engine, then the Holley EFI system may be worth the investment. However, if you're on a tight budget or not comfortable with the complexity of installing and maintaining an EFI system, then a carbureted system may be a more suitable option for you.

part # 300714 price

  • $199.95

specifications injectiopug:

  • for models: Lt, Ram
  • brand: Holley Efi
  • part type: Throttle Adapter
  • color: Silver
  • material: Cast Aluminum
  • upc: 090127124147
  • manufacturer part number: 300-714

seller injectiopug:

  • rating: 98.9%
  • # reviews: 15243

general injectiopug:

  • condition: New
  • Air Fuel Delivery > Fuel Injection Parts > Additional Fuel Injection Parts

returns injectiopug:

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

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  • credit card: Visa

shipping injectiopug:

  • transit: 3-7 Days
  • service: UPS Ground
  • cost: $0.00
  • class: Standard
  • carrier: UPS
  • type: Fixed

offer injectiopug:

  • sold: 0
  • started: July 16, 2025
  • availability: In Stock
  • options: Ship-to-home
  • quantity: 10
for models: lt, ram, part type: throttle adapter,
category: auto parts > air fuel delivery > fuel injection parts > additional fuel injection parts, color: silver, material: cast aluminum, sku: 6702945571402632,

Holley Efi 300-714 Is Similar To:

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5 offers $199.95–$199.95 USD
  • Offer #1: $199.95 price + free delivery = $199.95* total. The front entry throttle body flange has a 105mm opening to work with throttle body part number 112-581 or similar models. Front-Feed Mount - Satin Finish.FREE SHIPPING
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