HOLLEY EFI 300-302 Top Cast Mount Plenum 090127066386 105MM

( Brand: Holley Efi ), ( Part Type: Mount ), ( Material: Aluminum ), ( Manufacturer Part Number: 300-302 ), ( Color: Natural ), ( UPC: 090127066386 )

Review HOLLEY EFI Hi ram 105mm Cast Side Mount Plenum Top fits RAM

The Holley EFI 300-302 Hi-Ram 105mm Cast Mount Plenum Top is a high-performance fuel injection system component designed for serious automotive enthusiasts who demand the finest in fuel delivery technology. This plenum top is part of Holley's Electronic Fuel Injection (EFI) system, which is known for its reliability, ease of use, and exceptional power delivery.

The 105mm Hi-Ram cast mount plenum top is specifically engineered to provide excellent airflow and fuel distribution for large-displacement engines. The casting material used in its construction is of the highest quality, ensuring durability and resistance to heat and pressure. This plenum top features a large, 105mm diameter, which allows for an increased volume of air and fuel mixture, resulting in more efficient combustion and enhanced power output.

The cast mount design of the plenum top offers several advantages over other mounting methods. It provides a secure and stable attachment to the intake manifold, ensuring proper alignment and sealing. The cast mount also facilitates easy installation and removal for maintenance or tuning purposes.

The Holley EFI 300-302 Hi-Ram 105mm Cast Mount Plenum Top is compatible with Holley EFI systems utilizing the 300-302 base plate and is suitable for use with various intake manifold configurations. It is designed to work with both natural and forced induction applications, making it an excellent choice for both stock and highly modified engines.

In summary, the Holley EFI 300-302 Hi-Ram 105mm Cast Mount Plenum Top is an essential component for any serious EFI system upgrade. Its large size, robust construction, and versatile mounting design make it an ideal choice for enhancing the performance and power output of your engine while ensuring reliable and consistent fuel delivery.

The Holley EFI 300-302 hi-ram 105mm cast mount plenum top is a popular choice for automotive enthusiasts looking to upgrade their carburetor setup to electronic fuel injection. Here are some potential pros and cons of this product:

1. Improved Fuel Efficiency: EFI systems deliver fuel more precisely than carburetors, which can lead to improved fuel efficiency and better combustion.

2. Better Power Delivery: EFI systems can provide more consistent power delivery throughout the RPM range, which can lead to improved performance.

3. Easy Tuning: Holley EFI systems can be easily tuned using a laptop or mobile device, allowing users to optimize fuel delivery for their specific engine setup.

4. Flexibility: EFI systems can be used with various fuel sources, including gasoline, methanol, and ethanol, making them a versatile choice for different applications.

5. Improved Emissions: EFI systems can help improve emissions by delivering the exact amount of fuel needed for combustion, reducing excess emissions.

1. Cost: EFI systems, including the Holley 300-302 hi-ram 105mm cast mount plenum top, can be more expensive than carburetors.

2. Complexity: EFI systems can be more complex to install and tune than carburetors, requiring a greater level of technical expertise.

3. Compatibility: EFI systems may not be compatible with all engine setups, so it is important to ensure that the system is compatible with your specific application before making a purchase.

4. Maintenance: EFI systems may require more frequent maintenance than carburetors, including regular filter changes and system checks.

The Holley EFI 300-302 hi-ram 105mm cast mount plenum top offers several advantages over traditional carburetors, including improved fuel efficiency, better power delivery, easy tuning, flexibility, and improved emissions. However, it also comes with some disadvantages, such as cost, complexity, compatibility, and maintenance requirements.

If you have the technical expertise and the budget to install and tune an EFI system, and if you are looking for improved performance and fuel efficiency, then the Holley EFI 300-302 hi-ram 105mm cast mount plenum top may be a worthwhile investment. However, if you have a simpler engine setup or are not comfortable with the complexities of EFI systems, then a carburetor may be a better choice for you. Ultimately, the decision depends on your specific needs and preferences.

Details:

Model's for GM throttle body patterns in 95mm and 105mm sizes. X000D Lid has been verified to fit under Servings 2.5 cowl hood on 1979-1993 Mustangs with 351W 302W Hi-Ram bases when using motor mounts that retain stock engine locations. Buyer pays return shipping. HI-RAM 105MM Cast aluminum Side Mount Plenum Top for EFI Hi-Ram Manifolds Holley now has cast plenum top options those of us with limited room in the front our engines.

This will allow for easier fabrication boosted applications or just a different look on your Hi-Ram manifold.Cast aluminum construction designed to mount our existing manifold bases. 300-302 HI-RAM 105MM Cast Side Mount Plenum Top: Finish GM throttle body patterns. The cast aluminum side mount plenum tops resemble the older Ford EFI manifolds and will allow you to throttle body on. Available in cast or black finish.

part #: 300302 prices

• $420.95-$433.84

specifications inputmanifolds:

• for models: Ram
• brand: Holley Efi
• part type: Mount
• material: Aluminum
• manufacturer part number: 300-302
• color: Natural
• upc: 090127066386

offer inputmanifolds:

• quantity: 7
• started: March 12, 2025
• options: Ship-to-home
• sold: 0
• availability: In Stock

payments inputmanifolds:

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

seller inputmanifolds:

• rating: 98.8%
• city: Bowling Green, Kentucky
• # reviews: 14274

returns inputmanifolds:

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

shipping inputmanifolds:

• transit: 3-8 Days
• class: Standard
• type: Fixed
• carrier: UPS
• cost: $0.00
• service: UPS Ground

general inputmanifolds:

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

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