HOLLEY EFI 300-712BK Ultra Manifold Base Gm 090127124116

( Brand: Holley Efi ), ( Part Type: Manifold ), ( Material: Aluminum ), ( Manufacturer Part Number: 300-712BK ), ( Color: Black ), ( UPC: 090127124116 )

Review HOLLEY EFI Ultra Lo ram Manifold Base Gm Gen fits RAM LT

The Holley EFI 300-712BK Ultra LOM (Low-Mass) Manifold Base for GM Gen I and II engines is a high-performance fuel injection solution designed to deliver precise fuel delivery and improved engine response. This manifold base is part of Holley's Ultra LOM series, which is engineered to provide superior throttle response and improved idle quality compared to traditional LOM manifolds.

The Holley 300-712BK is a cast aluminum manifold base, which offers excellent heat dissipation properties. It is designed to work with Holley EFI 4150, 600 cfm carburetor-style throttle bodies and is compatible with GM Gen I and II engines, including those found in 1955-1964 Chevrolet and 1958-1965 Oldsmobile applications.

This manifold base comes with a built-in fuel pressure regulator, which ensures consistent fuel pressure throughout the entire engine RPM range. It also features a large fuel filter with a 10-micron element, which helps to remove contaminants and maintain clean fuel flow to the engine.

The Holley EFI 300-712BK Ultra LOM Manifold Base is designed to be easy to install and integrate with existing engine wiring harnesses. It comes with a wiring harness adapter plate, which simplifies the wiring process and helps ensure a proper connection between the manifold base and the EFI system.

One of the key features of the Ultra LOM manifold base is its low-mass design. Compared to traditional LOM manifolds, which can be heavy and cause unwanted engine vibration, the Ultra LOM manifold is lighter and helps to reduce engine vibration. This results in improved idle quality, smoother engine operation, and better overall performance.

The Holley EFI 300-712BK Ultra LOM Manifold Base is a high-quality, performance-enhancing component for any GM Gen I or II engine using Holley EFI. It offers superior fuel delivery, improved idle quality, and easy installation, making it an excellent choice for enthusiasts looking to upgrade their fuel injection system.

The Holley EFI 300-712BK Ultra Lobe-Ram Fuel Injection Manifold Base for GM Gen I engines is a popular upgrade for those looking to improve the fuel delivery system in their hot rods or performance vehicles. Here are some pros and cons that can help you make an informed decision about whether this manifold is the right choice for you.

1. Improved Fuel Delivery: The Holley EFI system is known for its reliable and consistent fuel delivery, which is crucial for optimal engine performance. This manifold is specifically designed for GM Gen I engines and can help improve throttle response, fuel economy, and power output.

2. Easy Installation: The Holley EFI system is relatively easy to install compared to other fuel injection systems. The manifold comes with a wiring harness and all necessary hardware, making the installation process more straightforward.

3. Adjustable Fuel Pressure: The Holley EFI system allows for adjustable fuel pressure, which can help fine-tune the fuel delivery system for your specific engine setup.

4. Compatibility: This manifold is compatible with a wide range of GM Gen I engines, including small-block Chevy and small-block Oldsmobile engines.

1. Cost: The Holley EFI system, including the manifold, can be quite expensive compared to traditional carburetors or mechanical fuel injection systems.

2. Complexity: While the installation process is relatively easy, the Holley EFI system is more complex than traditional fuel delivery systems. It requires a lot of wiring and configuration, which can be intimidating for some DIY enthusiasts.

3. Maintenance: The Holley EFI system requires regular maintenance, including fuel filter changes and sensor calibration, to ensure optimal performance.

4. Compatibility Limitations: While the manifold is compatible with a wide range of GM Gen I engines, it may not be compatible with all engine setups, especially those with custom modifications.

In conclusion, the Holley EFI 300-712BK Ultra Lobe-Ram Fuel Injection Manifold Base for GM Gen I engines offers several advantages, including improved fuel delivery, easy installation, adjustable fuel pressure, and compatibility with a wide range of engines. However, it also comes with some drawbacks, such as cost, complexity, maintenance requirements, and compatibility limitations.

If you are looking for a reliable and consistent fuel delivery system for your GM Gen I engine and are willing to invest in the upfront cost and put in the time for installation and maintenance, then the Holley EFI system may be the right choice for you. However, if you are on a tight budget or are not comfortable with the complexity of the system, you may want to consider other options, such as a traditional carburetor or mechanical fuel injection system. Ultimately, the decision comes down to your personal preferences, budget, and performance goals.

Details:

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.The front entry throttle body flange has a 105mm opening to work part number 112-581 similar model's. 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. A signature is required on all UPS orders over $750. Buyer pays return shipping.

The Holley GM Gen V Ultra Lo-Ram intake manifold kits are designed for engines equipped with cylinder heads. The front-feed base intake manifold is designed with a lower overall height to fit under stock or mildly modified hood. These intake manifolds will work with OE or aftermarket cylinder heads. Available for OE direct fuel injection only and with port provisions a burst panel flange options.For the option, high volume 8AN rail kit includes hardware brackets to accommodate long usually standard length injectors or short such as Picot, LS7.

300-712BK Holley Ultra Lo-Ram Manifold Base - GM Gen V LT: Front-Feed OE Direct Injection Only Black Finish.

part #: 300712bk prices

• $507.95-$749.99

specifications inputmanifolds:

• for models: Lt, Ram
• brand: Holley Efi
• part type: Manifold
• material: Aluminum
• manufacturer part number: 300-712BK
• color: Black
• upc: 090127124116

seller inputmanifolds:

• city: Bowling Green, Kentucky
• # reviews: 14354
• rating: 98.7%

shipping inputmanifolds:

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

general inputmanifolds:

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

payments inputmanifolds:

• credit card: Visa
• wallet: Paypal
• other

returns inputmanifolds:

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

offer inputmanifolds:

• options: Ship-to-home
• quantity: 6
• started: March 21, 2025
• sold: 0
• availability: In Stock

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