CHEVROLET 3833948 Gm Cast Iron Barrel Intake Manifold

( Country Of Origin: United States ), ( Mounting Style: Bolt-on ), ( Type: Intake Manifold ), ( Manufacturer Part Number: 3833948 ), ( Material: Cast Iron ), ( Vintage Part: Yes ), ( Universal Fitment: No ), ( Fuel Type: Gasoline )

Review CHEVROLET Gm Bbc Original Cast Iron Barrel Intake Manifold fits 396 427

Introducing the Chevrolet 383 398 GM BBC Cast Iron Barrel Intake Manifold, a high-performance component designed for use with 396 and 427 engines. This intake manifold, part number 3833948, is a key addition to any serious hot rod or muscle car build, delivering superior airflow and power.

The BBC, or Big Block Chevrolet, designation refers to the large, powerful engines that were produced by General Motors from the late 1950s through the 1970s. These engines were renowned for their robustness and performance, and the 383 398 intake manifold is specifically engineered to maximize their potential.

This intake manifold is constructed from heavy-duty cast iron, ensuring that it can withstand the rigors of high-performance applications. The cast iron design also provides excellent thermal mass, helping to maintain consistent engine temperatures for optimal performance.

One of the most notable features of this intake manifold is its cast iron barrels. These barrels are designed to provide a smooth, even airflow distribution to each cylinder, ensuring that every cylinder receives an optimal amount of fuel-air mixture for maximum power output. The barrels are also ported, meaning that they have been machined to provide larger, more efficient intake ports.

The intake manifold also features a single plane design, meaning that all the runners or intake ports are at the same height. This design provides excellent intake velocity and allows for easier tuning and adjustment of the engine.

The intake manifold is also compatible with a wide range of carburetors, including Holley, Edelbrock, and Quadrajet, making it a versatile choice for various hot rod and muscle car applications.

In summary, the Chevrolet 383 398 GM BBC Cast Iron Barrel Intake Manifold, part number 3833948, is a high-performance intake manifold designed for use with 396 and 427 engines. Constructed from heavy-duty cast iron, it features cast iron barrels with ported intake ports, a single plane design, and compatibility with a wide range of carburetors. This intake manifold is an excellent addition to any serious hot rod or muscle car build, delivering superior airflow and power for maximum engine performance.

Pros and Cons of Buying Chevrolet 383-3948 GM BBC Cast Iron Barrel Intake Manifold for 396/427 Engines

The Chevrolet 383-3948 GM BBC Cast Iron Barrel Intake Manifold is a popular aftermarket part for 396 and 427 engines. This component is essential for the proper functioning of the engine, as it connects the cylinder heads to the throttle body and carburetor. In this analysis, we will discuss the pros and cons of purchasing this intake manifold.

1. Durability: The cast iron construction of this intake manifold ensures superior strength and durability. It is less likely to warp, crack, or deform under high engine temperatures and pressures, making it an excellent choice for high-performance applications.

2. Compatibility: This intake manifold is compatible with various Chevrolet and GMC engines, including 396 and 427 V8 engines. It is also a popular upgrade for muscle cars and hot rods, ensuring a wide range of application possibilities.

3. Enhanced Performance: A high-performance intake manifold can provide improved airflow and better fuel distribution, leading to increased horsepower and torque. This intake manifold is designed to optimize the airflow and fuel mixture, resulting in better engine performance.

4. Customizability: Cast iron intake manifolds can be ported and polished to enhance their appearance and improve airflow. This customizability makes the part appealing to enthusiasts and hobbyists seeking to personalize their engine components.

1. Weight: The cast iron construction of this intake manifold adds significant weight to the engine. While the added weight may contribute to improved durability, it can also lead to decreased performance due to increased rotational mass.

2. Complexity: Installing an aftermarket intake manifold requires some mechanical knowledge and skills. The process can be time-consuming and may involve additional costs for gaskets, seals, and other hardware.

3. Cost: Compared to other intake manifold materials like aluminum, cast iron intake manifolds can be more expensive. However, the added durability and performance benefits may justify the higher cost for some enthusiasts.

The Chevrolet 383-3948 GM BBC Cast Iron Barrel Intake Manifold offers several advantages, including superior durability, compatibility, enhanced performance, and customizability. However, it also comes with some disadvantages, such as increased weight, complexity, and cost. Ultimately, the decision to purchase this intake manifold depends on your specific needs, preferences, and budget.

If you are seeking a high-performance, durable intake manifold for your 396 or 427 engine, the Chevrolet 383-3948 GM BBC Cast Iron Barrel Intake Manifold is an excellent choice. Its cast iron construction ensures superior strength and durability, while its compatibility with a wide range of engines makes it a versatile upgrade. However, if weight is a concern or you have a limited budget, an aluminum intake manifold may be a more suitable alternative. It is always recommended to consult with a professional mechanic or engine builder before making any significant engine modifications.

Details:

Good threads. Good used intake manifold. Sold as pictured. Part number 3883948.

part #: 3833948 prices

• $400.00-$595.00

specifications inputmanifolds:

• for models: 396, 427
• for makes: Chevrolet
• country of origin: United States
• mounting style: Bolt-on
• type: Intake Manifold
• manufacturer part number: 3833948
• material: Cast Iron
• vintage part: Yes
• universal fitment: No
• fuel type: Gasoline

returns inputmanifolds:

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

general inputmanifolds:

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

offer inputmanifolds:

• started: October 29, 2025
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home

seller inputmanifolds:

• city: Wickenburg, Arizona
• rating: 99.7%
• # reviews: 10327

shipping inputmanifolds:

• class: Standard
• transit: 3-9 Days
• service: Standard
• cost: $59.75
• type: Fixed

payments inputmanifolds:

• credit card: Mastercard
• other
• wallet: Paypal

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