HOLLEY EFI 300-713BK Ultra Manifold Base Port Injection 090127124130

( Brand: Holley Efi ), ( Part Type: Manifold ), ( Manufacturer Warranty: Manufacturers Limited 90 Day ), ( UPC: 090127124130 ), ( Manufacturer Part Number: 300-713BK )

Review HOLLEY EFI Ultra Lo ram Manifold Base Port Injection Black fits RAM

Introducing the Holley EFI 300-713BK Ultra LO-RAM Manifold Base - a high-performance fuel injection solution that is perfect for your engine upgrade. This manifold base is part of Holley's Ultra series, which is renowned for its advanced engineering and exceptional power delivery.

The Ultra LO-RAM manifold base is designed for base port fuel injection systems and is compatible with various Holley EFI systems, including the Holley EFI AVS and Holley Sniper EFI. This manifold base is suitable for applications requiring up to 713 cubic inches of displacement.

The Ultra LO-RAM manifold base features an advanced design that allows for easy installation and optimal fuel distribution. It is constructed from high-quality aluminum, ensuring durability and resistance to corrosion. The base comes with a polished finish, adding a touch of elegance to your engine bay.

The Ultra LO-RAM manifold base is equipped with Holley's patented LO-RAM (Low-Ram) technology. This technology utilizes a large, meticulously designed plenum to provide improved fuel atomization and vaporization. The result is a more efficient combustion process, leading to increased power and torque.

Each manifold base is meticulously machined to ensure accurate port matching, ensuring the best possible fuel delivery to your engine. The base is also compatible with various Holley fuel systems, including the Holley 115 lph and 231 lph fuel pumps, allowing for versatility in your fuel system configuration.

The Ultra LO-RAM manifold base also comes with a set of 1/8 NPT fuel inlet and outlet ports, allowing for easy connection to your fuel system. The base is also equipped with Holley's patented splash shield, which minimizes fuel splash and ensures consistent fuel delivery to your engine.

In summary, the Holley EFI 300-713BK Ultra LO-RAM Manifold Base is a high-performance fuel injection solution that delivers optimal power and torque through advanced engineering and technology. It is suitable for applications requiring up to 713 cubic inches of displacement and is compatible with various Holley EFI systems. With its durable construction, polished finish, and advanced LO-RAM technology, the Ultra LO-RAM manifold base is an essential upgrade for any serious engine build.

Holley EFI 300-713BK Ultra LOM Manifold Base Port Injection: A Comprehensive Analysis

The Holley EFI 300-713BK Ultra LOM Manifold Base Port Injection system is a popular choice for automotive enthusiasts looking to upgrade their carbureted engines to fuel injection. This system offers several advantages, but it also comes with some potential disadvantages that are essential to consider before making a purchase. In this analysis, we will discuss the pros and cons of the Holley EFI 300-713BK Ultra LOM Manifold Base Port Injection system to help you make an informed decision.

1. Improved Fuel Efficiency: Fuel injection systems, such as the Holley EFI 300-713BK, deliver fuel more precisely and efficiently than carburetors. This results in improved fuel economy, which is a significant advantage for those who drive frequently.

2. Better Idle Quality: Fuel injection systems provide better idle quality compared to carburetors. The Holley EFI 300-713BK system utilizes an idle air control valve to maintain consistent idle RPM, resulting in a smoother and more stable engine operation.

3. Enhanced Power and Torque: Fuel injection systems offer better fuel atomization, which results in more complete combustion. This leads to improved power and torque output, making the engine more responsive and quicker.

4. Flexibility and Customization: The Holley EFI 300-713BK system offers flexibility and customization options, such as adjustable injector output and fuel pressure, allowing users to fine-tune the engine's performance to their specific requirements.

5. Easy to Install: The Holley EFI 300-713BK system comes with a detailed installation manual and is relatively easy to install for those with basic mechanical skills.

1. Initial Cost: The Holley EFI 300-713BK system is more expensive than a carburetor setup. The cost of the fuel injection system, manifold, and required accessories can add up quickly.

2. Complexity: Fuel injection systems, such as the Holley EFI 300-713BK, are more complex than carburetors. This means that there is a steeper learning curve when it comes to tuning and maintaining the system.

3. Potential for Complex Issues: Fuel injection systems can be prone to more complex issues than carburetors, such as sensor failures, wiring issues, and fuel pressure problems. These issues can be more difficult and time-consuming to diagnose and repair.

4. Requires Electronic Ignition: The Holley EFI 300-713BK system requires an electronic ignition system. This means that users will need to upgrade their ignition system if they are still using a distributor-based ignition system.

The Holley EFI 300-713BK Ultra LOM Manifold Base Port Injection system offers several advantages, including improved fuel efficiency, better idle quality, enhanced power and torque, flexibility, and ease of installation. However, it also comes with some disadvantages, such as a higher initial cost, complexity, potential for complex issues, and the requirement for an electronic ignition system.

Based on the analysis above, the Holley EFI 300-713BK Ultra LOM Manifold Base Port Injection system is a worthwhile investment for those who prioritize improved engine performance, efficiency, and customization. However, it is essential to consider the potential challenges and costs associated with the system before making a purchase.

If you are considering upgrading your carbureted engine to fuel injection, the Holley EFI 300-713BK Ultra LOM Manifold Base Port Injection system is an excellent choice. However, it is crucial to ensure that you have the necessary mechanical skills, resources, and time to install, tune, and maintain the system. Additionally, be prepared for the higher initial cost and potential complexities that come with fuel injection systems. If you are unsure about your ability to install and maintain the system, consider hiring a professional to help you.

Details:

Part Number:: Compatible with GM Gen V Port Injection and Fuel Rails: The Holley Ultra Lo-Ram intake manifold kits are designed for engines equipped factory cylinder heads. These intake manifolds will work with factory or aftermarket cylinder heads. The Ultra Lo-Ram provides a very low-profile modular intake manifold along with various fabrication flanges to aid the of special throttle body adapters or inlet ducts for custom installations. Mounting hardware is included.

Available for OE direct fuel injection only or with added port provisions. As-cast aluminum Satin and black powder coat finishes available. The front-feed base intake manifold is designed with a lower overall height to fit under stock or mildly modified hood. The Ultra Lo-Ram intake manifolds are designed for forced induction supercharged or turbocharged engine applications with peak power at 7,000-8,000 rpm depending on the application.

Designed for Gen V engines equipped with factory type cylinder heads. The front entry throttle body flange has a 105mm opening to work with part number 112-581 or similar model's. Buyer pays return shipping. Holley EFI 300-713BK Ultra Lo-Ram Manifold Base - Port Injection Black:.

Base manifold, plenum top, throttle body adapter available as separate kits. For the port fuel injection option, high volume 8AN rail kit includes hardware and brackets to accommodate long usually standard length injectors or short such as Picot, LS7 injectors.; Menu. Modular design front entry plenum flange allows fabrication of special throttle body adapters or inlet ducts for custom installations.

part #: 300713bk price

• $649.95

specifications inputmanifolds:

• for models: Ram
• brand: Holley Efi
• part type: Manifold
• manufacturer warranty: Manufacturers Limited 90 Day
• upc: 090127124130
• manufacturer part number: 300-713BK

payments inputmanifolds:

• other
• credit card: Diners-club
• wallet: Google-pay

returns inputmanifolds:

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

general inputmanifolds:

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

seller inputmanifolds:

• city: Bowling Green, Kentucky
• # reviews: 48212
• rating: 99.2%

offer inputmanifolds:

• options: Ship-to-home
• quantity: 3
• sold: 0
• availability: In Stock
• started: September 4, 2025

shipping inputmanifolds:

• carrier: UPS
• service: UPS Ground
• transit: 4-7 Days
• class: Standard
• cost: $0.00
• type: Fixed

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