fits make: Chevy.

( Brand: Vintage Parts ), ( Manufacturer Part Number: 12363403 ), ( Part Type: Intake Aluminum Block Manifold )
The 12363403 Chevy Big Block Bowtie Intake Manifold, manufactured by GM Performance, is a high-performance upgrade for your classic Chevrolet engine. This intake manifold is designed specifically for Big Block engines, providing a significant improvement in airflow and power output.
Crafted from durable cast aluminum, this intake manifold features a polished finish that not only enhances its aesthetic appeal but also reduces heat buildup, contributing to better engine performance. The manifold's unique bowtie design is a nod to Chevrolet's rich history and is a distinctive feature that sets it apart from other intake manifolds.
The 12363403 Chevy Big Block Bowtie Intake Manifold is equipped with a large, open plenum that offers increased airflow, resulting in more power and better throttle response. It also features multi-port fuel injectors and a high-flow air mass meter, ensuring precise fuel delivery and air-fuel mixture for optimal engine performance.
The manifold's port design provides excellent port matching with GM Performance cylinder heads, which ensures efficient airflow into the engine's cylinders. It also features a drain-back design, which helps to prevent fuel residue from accumulating in the intake manifold, reducing the risk of engine cavitation.
Installing the 12363403 Chevy Big Block Bowtie Intake Manifold is relatively straightforward, thanks to its easy bolt-on design. It is compatible with various Chevrolet Big Block engines, including the 400, 454, and 496 cubic inch engines.
In conclusion, the 12363403 Chevy Big Block Bowtie Intake Manifold from GM Performance is a high-quality, high-performance upgrade for your classic Chevrolet engine. Its durable construction, excellent port design, and large, open plenum contribute to increased airflow, improved throttle response, and better engine performance. Whether you're looking to boost your engine's power output or simply want to upgrade your engine's appearance, this intake manifold is an excellent choice.
Pros of buying a 12363403 Chevy Big Block Bowtie Intake Manifold-GM Performance:1. Enhanced Engine Performance: This intake manifold is designed to provide better airflow to the engine, which can result in improved horsepower and torque.
2. Durable Construction: The intake manifold is made from high-quality materials, ensuring long-lasting performance and resistance to corrosion.
3. Easy Installation: The intake manifold comes with clear installation instructions, making it a relatively simple upgrade for DIY enthusiasts.
4. Improved Fuel Efficiency: By improving the engine's performance, the intake manifold can also help improve fuel efficiency, saving you money on gas over time.
Cons of buying a 12363403 Chevy Big Block Bowtie Intake Manifold-GM Performance:1. Cost: The intake manifold can be a significant investment, especially for those on a tight budget.
2. Potential Void of Warranty: Installing aftermarket parts like this intake manifold may void your vehicle's warranty, depending on your manufacturer's policy.
3. Potential Performance Issues: While this intake manifold is designed to improve performance, there's always a risk that it may not provide the expected results, or even cause performance issues if not installed correctly.
Conclusion:The 12363403 Chevy Big Block Bowtie Intake Manifold-GM Performance is a great option for those looking to upgrade their engine's performance. It's made from high-quality materials, is easy to install, and can improve fuel efficiency. However, it's a significant investment and may void your warranty. If you're comfortable with the cost and potential risks, it could be a great upgrade for your vehicle. If you're unsure, it may be worth consulting with a professional mechanic first.
Recommendation:If you decide to purchase the 12363403 Chevy Big Block Bowtie Intake Manifold-GM Performance, make sure to read the installation instructions thoroughly and consider hiring a professional mechanic if you're not confident in your abilities. Also, ensure that installing aftermarket parts won't void your warranty, as this can be a costly mistake.
Has not been ground on or any porting done. These manifolds have no heat riser for a choke. Ship to lower 48 states unless agreed in advance.
This part is in mint condition with no weld repairs, cracks, or helix coils. Will fit any mark 4 BBC gm performance parts big block Chevrolet rectangle port dual plane bowtie intake manifold.