fits model: Cross, Ram. make: Chevrolet.

( Brand: Offenhauser ), ( Type: Intake Manifold ), ( Engine Size: 350 In ), ( Manufacturer Part Number: 5901 ), ( Material: Aluminum ), ( Fuel Type: Gasoline )
Introducing the Offenhauser 5901 1x4 Single Cross Ram Intake Manifold, an iconic performance upgrade for Chevrolet 327 cubic inch engines. This intake manifold, designed by the legendary Offenhauser Engineering, is engineered to deliver exceptional power and torque by optimizing the air and fuel mixture delivery to your engine.
Constructed from high-quality aluminum alloy, this intake manifold exhibits remarkable strength and durability. Its unique cross-ram design significantly improves intake runner length and improves velocity, which allows for improved volumetric efficiency. The 1x4 configuration ensures a single plane intake runners which deliver even fuel distribution to each cylinder.
This intake comes with four 3-bolt blocks or ( vod pu sMaybe you need what the throttle body shape is, for the record, it is 3-bolt flange) throttle bodies leaving the necessary modifications to fit your carburetion kit. Each molded intake port features a large velocity stack design that reduces turbulence and promotes smooth airflow for optimal engine performance. Moreover, its precision-engineered runners offer broad powerband, enhancing engine responsiveness and power output.
The Offenhauser 5901 intake manifold is compatible with most stock Holley and Edelbrock carburetors and can be used with various camshafts and different aftermarket heads due to its versatile design. Combined with its distinct muscle car aesthetic, this intake manifold offers a must-have upgrade for any purist or performance-oriented Chevrolet 327 engine build. Boosting horsepower and delivering enhanced throttle response, the Offenhauser 5901 single cross ram intake manifold sets a new standard for high-performance intake systems.
Offenhauser 5901 Chevrolet 327-400 1x4 Single Cross Ram Intake: A Detailed Analysis
The Offenhauser 5901 1x4 Single Cross Ram Intake for the Chevrolet 327-400 engine is a popular choice among performance enthusiasts. This intake manifold offers several benefits, but like any aftermarket part, it also comes with certain drawbacks. In this analysis, we'll discuss the pros and cons of this intake system to help you make an informed decision.
Pros:1. Increased power and performance: One of the primary reasons people choose an Offenhauser intake manifold is the power they gain. With improved airflow and better breathing for the engine, these intakes can yield substantial horsepower and torque gains.
2. Customization: Offenhauser offers this intake in various port sizes and runners' lengths, allowing you to tailor the intake to your specific application for maximum power gains.
3. Constructed of high-quality materials: The Offenhauser 5901 intake is made of cast aluminum, making it strong, sturdy, and lightweight.
Cons:1. Complex installation process: Installing this intake required a great deal of expertise and time. It might take several hours to install it correctly, which may necessitate hiring a professional or spending a considerable amount of time learning the process yourself.
2. Increased cost: This intake manifold is typically more expensive than factory intake manifolds or other aftermarket alternatives. You may also need to purchase additional components, such as custom adapters or gaskets, which can add to the total cost.
3. Potentially fragile: Offenhauser intakes have a reputation for being finicky and fragile. Improper installation or fresh engine break-in may cause vacuum leaks, from the intake runners warping if not handled gently, or from improperly seated gaskets.
Conclusion:The Offenhauser 5901 1x4 Single Cross Ram Intake for Chevrolet 327-400 engine delivers significant power gains and customization options for performance enthusiasts. However, it also requires a complex installation process, inherent risks and costs, and may pose challenges for those without extensive automotive knowledge. Therefore, potential buyers should carefully consider their goals, capabilities, and resources before opting for this intake system.
If you are comfortable with working on your engine and have the necessary expertise, resources, and budget, the Offenhauser 5901 intake can provide substantial performance benefits. Nonetheless, if you are new to engine building or are looking for a more straightforward and budget-friendly alternative, you may want to explore other options. Ultimately, your decision should depend on your goals, experience, and resources.
I put this as use but it looks like its never been on the lower part. It has been sitting a long time and little dirty. 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 yo. OFFENHAUSER 5901 CHEVROLET SBC 327-400 LOW PROFILE 1X4 SINGLE CROSS RAM INTAKE.
Let me know if there is an issue. Comes as pics. I sometimes make mistakes, but i'm not out to cheat anyone, or sell you something you're 100% happy with.