HOLLEY 300-963 Intake Manifold Kit Big Block 090127963494

( Brand: Holley ), ( Part Type: Intake Manifold Block ), ( Material: Aluminum ), ( Manufacturer Part Number: 300-963 ), ( Manufacturer Warranty: Manufacturers Limited 90 Day Warranty ), ( Item Height: 14.500 ), ( Item Length: 24.250 ), ( Item Width: 18.500 ), ( UPC: 090127963494 )

Review HOLLEY Hi ram Intake Manifold Kit Big Block Chevy fits RAM EFI

Introducing the Holley 300-963 Hi-Ram EFI Intake Manifold Kit, specifically designed for Big Block Chevy engines. This intake manifold kit is a game-changer for those looking to upgrade their engine's performance and fuel delivery system.

The Hi-Ram design of this intake manifold offers several advantages. The high-rising runners allow for greater velocity and volume of air and fuel entering the engine, resulting in improved combustion and horsepower. Each runner is equipped with a Holley Sniper EFI fuel injector mount, ensuring a precise and efficient fuel delivery system.

This intake manifold kit is constructed from high-quality aluminum, ensuring durability and reliability. The surface finish is polished for a clean and attractive appearance. The manifold comes complete with all necessary hardware for installation, including bolts, gaskets, and fuel rails.

The Holley 300-963 Hi-Ram EFI Intake Manifold Kit is designed to work with Holley Sniper EFI systems, making it an excellent choice for those looking to integrate a fuel injection system into their Big Block Chevy engine. The kit includes a set of Holley Sniper EFI throttle bodies, which feature a 75mm bore size and are designed for a smooth and responsive throttle feel.

The intake runners on this manifold are designed with a large plenum volume, which helps to reduce turbulence and ensure a consistent air/fuel mixture entering the engine. The runners are also equipped with a high-flow, mass airflow sensor mounting location, allowing for precise airflow measurement and fuel adjustment.

Installation of the Holley 300-963 Hi-Ram EFI Intake Manifold Kit is relatively straightforward, thanks to the included instructions and hardware. The kit is also compatible with factory-style coolant and water pump setups, making it a versatile choice for a wide range of applications.

In summary, the Holley 300-963 Hi-Ram EFI Intake Manifold Kit is an excellent choice for those looking to upgrade their Big Block Chevy engine's performance and fuel delivery system. With its high-performance Hi-Ram design, durable construction, and easy installation, this intake manifold kit is sure to deliver impressive results.

The Holley 300-963 Hi-Ram EFI Intake Manifold Kit for big block Chevy engines comes with several advantages and disadvantages that can help you decide if it's the right choice for your project. Here are some key points to consider:

1. Improved Airflow: The Holley Hi-Ram intake manifold is designed to provide better airflow to the engine, which can lead to improved performance and power gains.

2. Fuel Injection Compatibility: This intake manifold is specifically designed for use with Holley's Electronics Fuel Injection systems, providing easy integration and reliable operation.

3. Customizable: The Holley Hi-Ram intake manifold offers a number of customizable options, including port sizes, runner lengths, and plenum volumes, to help optimize performance for your specific engine setup.

4. Durability: The intake manifold is made from high-quality aluminum and features robust construction, making it a reliable and long-lasting option for your big block Chevy engine.

1. Cost: The Holley Hi-Ram EFI Intake Manifold Kit can be an expensive option compared to other intake manifolds, especially for those on a tight budget.

2. Installation Complexity: Installing this intake manifold kit can be a complex process, requiring significant time and expertise to ensure proper installation and tuning.

3. Requires Additional Components: To use this intake manifold, you will also need to purchase additional components, such as fuel injectors, fuel pressure regulator, and wiring harness, which can add to the overall cost of the project.

The Holley 300-963 Hi-Ram EFI Intake Manifold Kit offers several advantages, including improved airflow, fuel injection compatibility, customizability, and durability. However, it also comes with some disadvantages, such as cost, installation complexity, and the requirement for additional components.

If you are looking for a high-performance intake manifold solution for your big block Chevy engine and are willing to invest the time and resources required for installation and tuning, then the Holley Hi-Ram EFI Intake Manifold Kit could be an excellent choice for you. However, if you are on a tight budget or prefer a more straightforward installation process, then you may want to consider alternative options.

If you are looking for a high-performance intake manifold solution for your big block Chevy engine and are willing to invest the time and resources required for installation and tuning, then the Holley 300-963 Hi-Ram EFI Intake Manifold Kit is a solid choice. It offers excellent airflow, compatibility with Holley's Electronics Fuel Injection systems, and the ability to be customized to optimize performance for your specific engine setup. However, be prepared for the additional cost and installation complexity that comes with this intake manifold kit. If you are on a tighter budget or prefer a more straightforward installation process, then you may want to consider alternative options such as a standard carburetor intake manifold or a less expensive EFI intake manifold from another manufacturer.

Details:

300-963 Holley Hi-Ram EFI Intake Manifold Kit - Big Block Chevy: intake manifold with 105mm LS Genie type throttle body flange plenum top. Traditional Big Block Chevy engines can now also be fitted with the Holley Brand Hi-Ram type EFI intake manifolds that have so well served GM LS LT, Gen 3 Hem, SBF Ford, and Ford Coyote engine platforms. The iconic Chevy SBC BBC platforms are primed for 21st century induction systems, Holley EFI engine management, and fuel systems. Not compatible with HEI distributors.

Hi-Ram intake manifolds are a cost-effective alternative to fabricated sheet-metal or billet for high-performance applications where induction system height is not limited. A 10AN fuel rail kit is included. The coolant outlet is a standard Chevy thermostat housing flange. Throttle Cable Bracket is supplied in the kit.

Requires the use of early type GM or small cap MSD Holley Distributors. Buyer pays return shipping.

part #: 300963 price

• $1075.95

specifications inputmanifolds:

• for models: Efi, Ram
• for makes: Chevy
• brand: Holley
• part type: Intake Manifold Block
• material: Aluminum
• manufacturer part number: 300-963
• manufacturer warranty: Manufacturers Limited 90 Day Warranty
• item height: 14.500
• item length: 24.250
• item width: 18.500
• upc: 090127963494

offer inputmanifolds:

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

shipping inputmanifolds:

• transit: 4-9 Days
• service: UPS Ground
• class: Standard
• carrier: UPS
• type: Fixed
• cost: $0.00

general inputmanifolds:

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

payments inputmanifolds:

• other
• credit card: Discover
• wallet: Apple-pay

returns inputmanifolds:

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

seller inputmanifolds:

• # reviews: 80036
• city: USA
• rating: 99.5%

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