OFFENHAUSER Dual Port Intake Quadrejet Flange 6038-DP 326-455

( Brand: Offenhauser ), ( Mounting Style: Bolt-on ), ( Color: Silver ), ( Manufacturer Part Number: 6038DP ), ( Cylinder Head Type: In-line Cross-flow ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Fuel Type: Gasoline ), ( Type: Intake Manifold ), ( Engine Size: 326-455 ), ( Features: Bare ), ( Universal Fitment: No ), ( Country/region Of Manufacture: United States )

Review OFFENHAUSER Pontiac Dual port Intake Quadrejet Flange Aluminum

The Offenhauser 6038DP Pontiac Dual-Port Intake 326-455 Quadrejet Flange is a high-performance intake manifold designed specifically for Pontiac engines with Quadrejet carburetors. This intake manifold, part number 6038-DP, is produced by Offenhauser, a renowned name in the automotive aftermarket industry, known for its high-quality intake manifolds and racing components.

This intake manifold is engineered to provide superior airflow and even distribution to all four Quadrejet carburetors. The dual-port design ensures that each carburetor receives an ample supply of air, leading to improved combustion efficiency and increased power output. The manifold is also constructed with precision to ensure perfect fitment and alignment with the engine and carburetors.

The intake runners on the Offenhauser 6038DP are designed with a smooth, polished surface to minimize turbulence and maximize airflow. This results in a more efficient intake system, which can lead to improved engine performance and better throttle response. The manifold is also constructed from high-strength aluminum, ensuring that it is both lightweight and durable.

The intake flange on this Offenhauser manifold is specifically designed to fit Pontiac engines with Quadrejet carburetors. This includes engines with the 326 and 455 cubic inch displacements. The flange is precision-machined to ensure a perfect seal between the intake manifold and the engine, preventing any air leaks that could negatively impact engine performance.

Installing the Offenhauser 6038DP Pontiac Dual-Port Intake 326-455 Quadrejet Flange is a relatively straightforward process. It is compatible with most aftermarket and OEM Quadrejet carburetors, making it a versatile option for Pontiac enthusiasts. The manifold comes complete with all necessary gaskets and hardware for installation, ensuring that the installation process is as hassle-free as possible.

In summary, the Offenhauser 6038DP Pontiac Dual-Port Intake 326-455 Quadrejet Flange is a high-performance intake manifold designed to provide superior airflow and even distribution to Quadrejet carburetors on Pontiac engines. Its smooth, polished intake runners, durable aluminum construction, and precise fitment make it a popular choice among Pontiac enthusiasts looking to improve their engine's performance.

Offenhauser 6038DP Pontiac Dual-Port Intake 326-455 Quadrejet Flange: A Detailed Analysis

The Offenhauser 6038DP intake manifold is a popular aftermarket option for Pontiac engines, particularly those using Quadrejet carburetors. This intake manifold is known for its high-performance capabilities and unique design. In this analysis, we will discuss the key features, advantages, and disadvantages of this intake manifold.

1. Dual-port design: The intake manifold features a dual-port design, which allows for improved airflow and better engine breathing. This results in increased power and torque.

2. Quadrajet flange: The intake manifold is compatible with Quadrajet carburetors, which are known for their ability to deliver a consistent fuel mixture for optimal engine performance.

3. High-performance design: The Offenhauser 6038DP intake manifold is designed to provide improved airflow and fuel delivery to the engine, resulting in better performance.

1. Increased power and torque: The intake manifold's dual-port design and high-performance design help to increase power and torque output from the engine. This makes it an excellent option for those looking to enhance the performance of their Pontiac engine.

2. Improved fuel efficiency: The intake manifold's design helps to improve fuel efficiency by ensuring that the fuel mixture is delivered more effectively to the engine. This can lead to better fuel economy and reduced operating costs.

3. Better throttle response: The intake manifold's design also helps to improve throttle response, making the engine more responsive to driver input.

1. Complex installation: Installing the Offenhauser 6038DP intake manifold can be a complex process, as it requires significant engine modification to fit the manifold. This can add to the cost and time required to complete the installation.

2. Expensive: The intake manifold is a high-performance aftermarket part, and as such, it comes with a premium price tag. This may be a barrier for some enthusiasts looking to upgrade their engine.

3. Requires additional modifications: To get the most out of the Offenhauser 6038DP intake manifold, additional modifications may be required, such as upgraded cylinder heads, camshafts, and exhaust systems.

The Offenhauser 6038DP Pontiac Dual-Port Intake 326-455 Quadrejet Flange is a high-performance aftermarket intake manifold that offers significant improvements in power, torque, fuel efficiency, and throttle response. However, its complex installation process, premium price tag, and requirement for additional modifications make it a less accessible option for some enthusiasts.

If you are looking to significantly enhance the performance of your Pontiac engine and are willing to invest the time, money, and effort required for installation and additional modifications, then the Offenhauser 6038DP intake manifold is an excellent choice. However, if you are looking for a more affordable and less complex solution, you may want to consider other options, such as a stock intake manifold or a less expensive aftermarket intake manifold.

Details:

Condition: good usable shape. You are buying on a used Offenhauser part number 6038-DP Pontiac Dual-port performance aluminum Intake for 326-455 engines. The only noticeable flaws are 2 of the outer pattern carb mounting bolt holes have been compromised on top few threads. Shipping is a fixed price of 36.88 in the lower 48 states.

I have run a tap and then bolt down an appropriate length will hold tight with what is there, but if you want perfection plan on drilling tapping for helical your carb uses that outer pattern. Application is for gasoline fuel type and in-line cross-flow cylinder heads. This intake manifold has the rare to find quadrejet flange retain factory carburetor. I've tried to show all the bolt holes in photos.

part #: 6038dp prices

• $299.00-$399.99

specifications inputmanifolds:

• for makes: Pontiac
• brand: Offenhauser
• mounting style: Bolt-on
• color: Silver
• manufacturer part number: 6038DP
• cylinder head type: In-line Cross-flow
• material: Aluminum
• vintage part: Yes
• fuel type: Gasoline
• type: Intake Manifold
• engine size: 326-455
• features: Bare
• universal fitment: No
• country/region of manufacture: United States

offer inputmanifolds:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: July 18, 2025
• quantity: 1

general inputmanifolds:

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

seller inputmanifolds:

• city: Kansas City, Kansas
• # reviews: 392
• rating: 100.0%

returns inputmanifolds:

• policy: No Returns

shipping inputmanifolds:

• class: Standard
• transit: 5-12 Days
• carrier: USPS
• type: Fixed
• cost: $36.88
• service: USPS Ground Advantage

payments inputmanifolds:

• wallet: Apple-pay
• money order
• other
• cash
• check
• credit card: Diners-club

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