HOLLEY EFI 300-236 Lower Manifold Gm 090127730591

( Brand: Holley Efi ), ( Part Type: Manifold ), ( Material: Aluminum ), ( Manufacturer Part Number: 300-236 ), ( Color: Natural ), ( Country/region Of Manufacture: Us ), ( UPC: 090127730591 )

Review HOLLEY EFI Hi ram Lower Manifold Gm fits RAM LT1

The Holley EFI 300-236 Hi-Ram Lower Manifold is a high-performance intake solution designed specifically for General Motors LT1 engines. This manifold is part of Holley's EFI (Electronic Fuel Injection) line, ensuring precise fuel delivery and optimal engine performance.

The Hi-Ram design of this manifold is a significant improvement over traditional intake systems. It utilizes a high-ram, or high-rise, intake port that increases the velocity of the incoming air charge. This results in denser air entering the engine cylinders, which in turn leads to more power and improved combustion efficiency.

The Holley EFI 300-236 Hi-Ram Lower Manifold is constructed from aluminum, making it both lightweight and durable. The manifold features a polished finish, adding an aesthetic appeal to your engine bay. The intake ports are CNC-machined for exceptional accuracy, ensuring a perfect fit and seal with your engine's cylinder heads.

This manifold comes with Holley's patented Hi-Ram runners, which are designed to maximize air velocity and flow. The runners are also port-matched to the cylinder heads, ensuring optimal flow distribution between cylinders for balanced engine performance. The manifold is compatible with both 4-bolt and 6-bolt cylinder head configurations.

The Holley EFI 300-236 Hi-Ram Lower Manifold includes a built-in throttle body opening, allowing for easy integration with electronic throttle control systems. It is also designed to work with Holley's EFI systems, including the Holley Sniper EFI and Holley Dominator EFI. The manifold comes with a gasket and necessary hardware for installation.

In summary, the Holley EFI 300-236 Hi-Ram Lower Manifold is a high-performance intake solution for the General Motors LT1 engine. Its Hi-Ram design increases air velocity and flow, while its CNC-machined ports ensure a perfect fit and seal. Constructed from aluminum, this manifold is both lightweight and durable, making it an excellent choice for high-performance applications.

The Holley EFI 300-236 hi-ram lower manifold for the GM LT1 engine is a popular upgrade for those looking to improve the performance and fuel efficiency of their engines. Here are some pros and cons that might help you make an informed decision:

1. Increased Airflow: The hi-ram design of the manifold increases the volume of air that can be drawn into the engine, leading to more power and better engine response.

2. Improved Fuel Efficiency: The Holley EFI system is known for its ability to optimize fuel delivery, which can lead to improved fuel efficiency and reduced emissions.

3. Easy Installation: The manifold comes with all the necessary hardware for installation, making it a relatively straightforward process for those with some mechanical aptitude.

4. Improved Throttle Response: The Holley EFI system can provide more precise throttle control, leading to improved acceleration and overall performance.

5. Compatibility: The manifold is compatible with a wide range of LT1 engines, making it a versatile option for many applications.

1. Cost: The Holley EFI system and manifold are more expensive than some other options, which might be a deterrent for some buyers.

2. Complexity: The installation and tuning of the Holley EFI system can be more complex than some other fuel injection systems, requiring more time and expertise.

3. Maintenance: The Holley EFI system requires more frequent maintenance than some other fuel injection systems, such as electronic fuel injection.

4. Potential for Issues: As with any performance upgrade, there is a risk of potential issues, such as fuel delivery problems or wiring issues.

The Holley EFI 300-236 hi-ram lower manifold for the GM LT1 engine offers significant performance benefits, including increased airflow, improved fuel efficiency, and better throttle response. However, it comes with a higher cost, increased complexity, and the potential for more frequent maintenance. Ultimately, the decision to purchase this manifold depends on your budget, technical expertise, and desired performance gains. If you're looking for a high-performance fuel injection system and are willing to invest the time and money, then the Holley EFI system with this manifold is a strong option to consider. If you're looking for a more affordable and less complex solution, then you might want to explore other options.

Details:

Available With or Without Injector Ports in the Runners. 300-236 Holley Hi-Ram Lower Manifold - GM LT1: 852.95: LT1 Hi-Ram, Only w/Port EFI Provisions Fuel Rails. Head Flange has Clearance for Fuel Supply to High Pressure Pump. The versions of the LT1 Hi-Ram intake manifold.

O-Ring Seals at Cylinder Heads Plenum Top. Increased Runner Wall Thickness for Custom Porting at the Plenum to Entry on Each. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or induction systems. Order Plenum Top Separately.

Buyer pays return shipping. Runner length : Approx. The new Holley EFI Hi-Ram intake provides the ultimate performance with GM direct-injected Gen V 6.2L LT1 engine.

part #: 300236 prices

• $649.99-$1093.95

specifications inputmanifolds:

• for models: Lt1, Ram
• brand: Holley Efi
• part type: Manifold
• material: Aluminum
• manufacturer part number: 300-236
• color: Natural
• country/region of manufacture: Us
• upc: 090127730591

seller inputmanifolds:

• city: Bowling Green, Kentucky
• # reviews: 9029
• rating: 98.7%

returns inputmanifolds:

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

general inputmanifolds:

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

offer inputmanifolds:

• started: April 1, 2025
• quantity: 3
• availability: In Stock
• options: Ship-to-home
• sold: 0

payments inputmanifolds:

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

shipping inputmanifolds:

• transit: 2-6 Days
• type: Fixed
• service: UPS Ground
• class: Standard
• carrier: UPS
• cost: $0.00

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