fits model: Ls1, Ls2, Ls6.

( Brand: Holley ), ( Part Type: Intake Manifold ), ( Material: Aluminum ), ( Color: Natural ), ( Manufacturer Warranty: 90 Da ), ( UPC: 090127052341 ), ( Manufacturer Part Number: 300-256 )
Introducing the Holley 300-256 Single Plane Split-Design Race Intake Manifold, specifically designed for GM LS1, LS2, and LS6 engines. This intake manifold is a must-have for those seeking maximum power and performance from their high-performance engine.
The Holley 300-256 is a single plane intake manifold, which means it features a flat, single plane design for the intake runners that allows for a more efficient airflow path. The split-design aspect of this manifold separates the runners into left and right sides, creating an even distribution of air and fuel to each cylinder. This design not only enhances engine performance but also promotes a more balanced combustion process.
This intake manifold is made from high-quality aluminum material, ensuring durability and reliability. It comes with a polished finish that not only looks great but also helps in reducing intake turbulence, contributing to better engine efficiency. The manifold also includes Holley's proprietary ports and runners that are designed for optimal flow and power.
The Holley 300-256 Single Plane Split-Design Race Intake Manifold is designed to work with various throttle body sizes, making it a versatile option for different engine builds. It includes 4-bolt mounting flanges that ensure a secure and stable installation on the engine. Additionally, it comes with a gasket and hardware kit for a hassle-free installation process.
This intake manifold is suitable for high-performance applications, including racing and high-horsepower street builds. With its efficient design, even airflow distribution, and versatile compatibility, the Holley 300-256 Single Plane Split-Design Race Intake Manifold is an excellent choice for those looking to extract the maximum potential from their GM LS1, LS2, or LS6 engine.
The Holley 300-256 single plane split-design race intake manifold is a popular aftermarket intake solution for GM LS1, LS2, and LS6 engines. This intake manifold offers several benefits, but it also comes with some drawbacks. Let's explore the pros and cons of this intake manifold to help you make an informed decision.
Pros:1. Enhanced Air Flow: The Holley 300-256 intake manifold design provides improved air flow due to its large, open plenum and split-port design. This results in better engine performance, increased horsepower, and torque.
2. Fuel System Compatibility: This intake manifold is compatible with most aftermarket fuel systems, including Holley's own EFI systems, making it an excellent choice for racers and performance enthusiasts looking to upgrade their fuel delivery.
3. Customizable: This intake manifold offers a high degree of customization, allowing you to fine-tune the intake runners for optimal engine performance.
4. Durability: The Holley 300-256 intake manifold is made of high-quality aluminum and features robust construction, ensuring it can withstand the rigors of high-performance applications.
Cons:1. Complex Installation: Installing this intake manifold can be a complex process due to its multi-piece design and the need for precise alignment. It requires a significant amount of time, effort, and expertise to ensure proper installation.
2. Expensive: Compared to stock intake manifolds or other aftermarket options, the Holley 300-256 intake manifold is relatively expensive. This could be a deterrent for budget-conscious performance enthusiasts.
3. Requires Additional Parts: To make the most of this intake manifold, you may need to purchase additional components, such as fuel injectors, fuel rails, and throttle bodies, which can add to the overall cost.
Conclusion:The Holley 300-256 single plane split-design race intake manifold is an excellent choice for those seeking improved engine performance, customizability, and fuel system compatibility. However, it comes with a complex installation process, higher cost, and the requirement for additional components. Ultimately, the decision to purchase this intake manifold depends on your budget, expertise, and performance goals. If you're a serious racer or performance enthusiast willing to invest time, money, and expertise, this intake manifold could be an excellent addition to your engine setup. Otherwise, you may want to consider other, more budget-friendly options.
A signature is required on all UPS orders over $750. Buyer pays return shipping. 300-256 Holley Single Plane Split-Design Race Intake Manifold GM LS1/LS2/LS6: Carburetors single plane split-design race intake manifold. This single-plane design provides optimal performance across the RPM spectrum while providing maximum up to 7000 rpm.The Holley LS Race manifold incorporates a split feature, which allows disassembly of intake for direct access internal plenum and port surfaces, making custom porting matching snap.
The new Holley Single-Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split that was previously only found on the most expensive intakes. Fits all GM LS Gen III or IV engines equipped with LS1/LS2/LS6 cathedral port cylinder heads.