OFFENHAUSER OFY-5615 Dual Manifold Block

( Brand: Offenhauser ), ( Type: Intake Manifold ), ( Manufacturer Part Number: OFY-5615 ), ( Material: Aluminum )

Review OFFENHAUSER Low Profile Dual Manifold Small Block Mopar fits QUAD

The Offenhauser OPY-5615 Dual Quad Manifold Block is a high-performance engine component designed for Mopar applications. This manifold block is a crucial part of a Dual Quad intake system, which is known for its ability to deliver an exceptional power output in racing engines.

The OPY-5615 manifold block is meticulously crafted from premium aluminum alloy that offers superior strength and durability. Its unique design features two separate intake ports for each quad carburetor, which ensures an optimal air-fuel mixture for each cylinder bank. This design also facilitates better combustion and overall engine efficiency.

This Offenhauser manifold block boasts a finned design on its exterior surface, which aids in dissipating excessive heat away from the engine. These fins not only help in maintaining an optimal operating temperature but also contribute to a more visually appealing engine appearance.

The manifold block's gasket surfaces are precision-machined to ensure a perfect seal, while its bolt holes are appropriately sized and threaded for compatibility with standard intake hardware. The manifold block also includes welded-in studs for added durability and ease of installation.

The OPY-5615 Dual Quad Manifold Block from Offenhauser is a top-tier performance component that is engineered to provide unmatched power and reliability for Mopar engines. Its finely tuned design, exceptional build quality, and compatibility with standard hardware make it a popular choice among racing enthusiasts and performance engine builders alike.

The Offenhauser OPY-5615 Dual Quad Manifold Block for Mopar engines is a popular aftermarket performance part, particularly for those looking to build high-performance applications. Here are some potential pros and cons of investing in this component:

1. Increased Power: The primary advantage of installing a Dual Quad Manifold Block is the potential for increased horsepower and torque. By allowing for the installation of two four-barrel carburetors, this component can help improve engine breathing and overall performance.

2. Improved Engine Response: The use of dual quad carburetors can result in smoother engine response and improved throttle response, making the engine more responsive to driver inputs.

3. Customization: The Offenhauser OPY-5615 block is a popular choice for hot rod and custom build enthusiasts, as it offers a unique appearance and the ability to tailor the engine to specific performance goals.

4. Durability: Offenhauser is a well-established brand with a reputation for producing high-quality, robust components. The OPY-5615 block is no exception, and is designed to withstand the demands of high-performance applications.

1. Complex Installation: The installation of a Dual Quad Manifold Block requires a significant amount of time, effort, and expertise. This is due to the intricacy of the manifold design and the need for precise carburetor synchronization.

2. Cost: The Offenhauser OPY-5615 block is a premium component, and the cost of purchasing and installing it can be quite high. This may be a deterrent for some enthusiasts with limited budgets.

3. Carburetor Synchronization: Achieving proper carburetor synchronization is crucial for optimal engine performance. Failure to do so can result in uneven power delivery and decreased performance.

4. Fuel Consumption: The use of two quad carburetors can result in increased fuel consumption, which may be a concern for some enthusiasts looking to maintain efficiency.

In conclusion, the Offenhauser OPY-5615 Dual Quad Manifold Block offers several potential advantages for Mopar enthusiasts looking to build high-performance applications. These include increased power, improved engine response, and the ability to customize the engine to specific performance goals. However, the complex installation process, high cost, and potential for uneven carburetor synchronization may be deterrents for some. Ultimately, the decision to invest in this component depends on individual performance goals, budget, and expertise.

If you are a serious Mopar performance enthusiast with a solid understanding of engine building and a significant budget, the Offenhauser OPY-5615 Dual Quad Manifold Block is a worthy investment. The potential for increased power, improved engine response, and the ability to customize your engine to specific performance goals make it an attractive option for those looking to push the limits of their Mopar engine. However, be prepared for a complex installation process and the potential for increased fuel consumption. If you are new to engine building or have a limited budget, there may be other, more cost-effective options to consider.

Details:

That combination delivers the fuel-air charge evenly to all cylinders for more power without flat spots. Dual Quad Intake Manifold Small Block Mopar LA Could use a cleaning from sitting on the shelf, but it doesn't appear to have ever been installed. Outbreak Performer series and Carter AFB carburetors are recommended. This results from their single-plane configuration, with its unique split-plenum chamber and tuned intake runners.

Offenhauser 360 Degree Equal-Flow Dual-Quad Low-Rise intake manifolds make good use of Offs degree technology to feed all cylinders evenly and more power.

part #: ofy5615 prices

• $314.99-$1050.00

specifications inputmanifolds:

• for models: Quad
• for makes: Mopar
• brand: Offenhauser
• type: Intake Manifold
• manufacturer part number: OFY-5615
• material: Aluminum

payments inputmanifolds:

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

general inputmanifolds:

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

returns inputmanifolds:

• policy: No Returns

offer inputmanifolds:

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

shipping inputmanifolds:

• service: USPS Ground Advantage
• cost: $43.96
• transit: 4-9 Days
• carrier: USPS
• class: Standard
• type: Calculated

seller inputmanifolds:

• rating: 100.0%
• # reviews: 50
• city: Chilton, Wisconsin

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