HOLLEY LIST-4239-S Gm Tunnel Cfm Carburetor Single L-4239-S

( Brand: Holley ), ( Manufacturer Part Number: LIST-4239-S ), ( Choke Type: No Choke ), ( Type: Carburetor ), ( Country/region Of Manufacture: United States ), ( Performance Part: Yes )

Review HOLLEY Chevy Gm Tunnel Cfm Carburetor Single fits RAM CROSS 396 750 2X4

Introducing the Holley 396 Tunnel Ram 750 CFM Cross Draft Carburetor (Part Number: L-4239-S), meticulously designed for Chevrolet and GM applications. This high-performance carburetor is a part of Holley's renowned Tunnel Ram series, delivering exceptional power and torque.

The L-4239-S is a single-plane, cross-draft design, which means it utilizes a single intake manifold and draws air from both sides of the intake runners. This configuration provides excellent idling characteristics and a smooth, powerful throttle response. The 750 CFM (Cubic Feet Per Minute) flow rate is ideal for large-displacement engines, ensuring an ample fuel supply for optimal combustion.

This Holley carburetor features a durable cast-aluminum base and body, designed for longevity and resistance to the rigors of high-performance driving. The L-4239-S comes with a 3-inch primary bore, allowing for efficient fuel delivery and optimal combustion. Additionally, it includes Holley's advanced vacuum secondary system, which provides precise fuel metering for improved drivability and power.

The Holley L-4239-S is equipped with a 1-inch primary and 1.25-inch secondary throttle bore, ensuring smooth power delivery throughout the entire RPM range. The carburetor's top features a polished aluminum finned aluminum intake manifold, which not only looks great but also aids in heat dissipation for improved performance.

The Holley L-4239-S 396 Tunnel Ram 750 CFM Cross Draft Carburetor comes with a full complement of hardware, including mounting brackets, fuel bowls, and jets for easy installation. This carburetor is compatible with various engine management systems, including Holley EFI and mechanical linkages, allowing for various tuning options to suit your specific application.

In summary, the Holley L-4239-S 396 Tunnel Ram 750 CFM Cross Draft Carburetor is a high-performance, single-plane carburetor designed for Chevrolet and GM applications. Its cross-draft design provides smooth power delivery and excellent idling characteristics, while its durable construction ensures longevity. This carburetor is suitable for large-displacement engines and can be used with various engine management systems for tuning flexibility.

The Holley 4239-S 396 Tunnel Ram 750 CFM Cross Carburetor is a popular choice among automotive enthusiasts who are looking to upgrade their Chevy or GM L-series engines. This carburetor offers several advantages but also comes with some drawbacks. Let's explore the pros and cons of this Holley carburetor.

1. High Air Flow: With a 750 CFM (Cubic Feet per Minute) rating, the Holley 4239-S is capable of supplying a significant amount of air and fuel mixture to the engine, leading to increased horsepower and torque.

2. Tunnel Ram Design: The Tunnel Ram design of this carburetor provides excellent fuel distribution and atomization, which results in better combustion efficiency and improved engine performance.

3. Cross-Ram Design: The Cross-Ram design of this carburetor allows for better air and fuel mixture distribution to all cylinders, resulting in improved power and throttle response.

4. Adjustability: The Holley 4239-S offers a high degree of adjustability, allowing users to fine-tune the carburetor to meet their specific engine requirements.

5. Durability: Holley carburetors are known for their durability and high-quality construction, making the 4239-S a reliable choice for high-performance applications.

1. Complexity: The Holley 4239-S is a complex carburetor that may require a significant amount of time and expertise to set up correctly.

2. Cost: Compared to other carburetors in its class, the Holley 4239-S is relatively expensive.

3. Maintenance: Due to its complex design, the Holley 4239-S requires more frequent maintenance than some other carburetors, which can be time-consuming and costly.

4. Fuel Efficiency: The high-performance design of the Holley 4239-S may lead to reduced fuel efficiency, especially when compared to stock carburetors.

The Holley 4239-S 396 Tunnel Ram 750 CFM Cross Carburetor offers several advantages for high-performance applications, including increased horsepower and torque, excellent fuel distribution, and adjustability. However, it also comes with some drawbacks, such as complexity, cost, maintenance requirements, and reduced fuel efficiency.

If you are looking for a high-performance carburetor for your Chevy or GM L-series engine and are willing to invest the time and resources required to set it up correctly, the Holley 4239-S 396 Tunnel Ram 750 CFM Cross Carburetor is an excellent choice. However, if you are looking for a more cost-effective or easier-to-use option, there may be other carburetors that better suit your needs. Ultimately, the decision comes down to your specific requirements and budget.

Details:

A if you follow the golden rule, and treat me as would like to be treated, I will do my best make it right by. CHEVY GM L-4239-S HOLLEY 396 TUNNEL RAM 750 cfm CROSS 2X4 CARBURETOR SINGLE. Let me know if there is an issue. DATE CODE 914.

I sometimes make mistakes, but i'm not out to cheat anyone, or sell you something you're 100% happy with.

part #: list4239 prices

• $330.00-$818.99

specifications carbcoon:

• for models: 396, 750, 2x4, Ram, Cross
• for makes: Chevy
• brand: Holley
• mpn: List-4239-s
• choke type: No Choke
• type: Carburetor
• country/region of manufacture: United States
• performance part: Yes

returns carbcoon:

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

seller carbcoon:

• # reviews: 3873
• city: Fair Oaks, California
• rating: 100.0%

offer carbcoon:

• availability: In Stock
• started: June 29, 2025
• options: Ship-to-home
• best offers: True
• sold: 0
• quantity: 1

payments carbcoon:

• money order
• other
• credit card: Mastercard
• wallet: Google-pay

general carbcoon:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
• condition: Used

shipping carbcoon:

• type: Fixed
• transit: 3-8 Days
• cost: $30.00
• carrier: FedEx
• class: Standard
• service: FedEx Ground or FedEx Home Delivery

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