GM 19775304 Tbss Nnbs Intake Manifold Ls Cathedral Port Tbss/nnbs 4.8 5.3 6.0

( Brand: Gm ), ( Mounting Style: Bolt-on ), ( Color: Black ), ( Items Included: Mounting Hardware ), ( Manufacturer Part Number: 19775304 ), ( Cylinder Head Type: Cathedral Port ), ( Material: Plastic ), ( Item Length: 22 ), ( Vintage Part: No ), ( Placement On Vehicle: Front, Upper ), ( Fuel Type: Gasoline ), ( Type: Intake Manifold ), ( Manufacturer Warranty: No Warranty ), ( Item Height: 11 ), ( Features: Bare, Heat-resistant, Unfinished ), ( Universal Fitment: Yes ), ( Item Width: 12 ), ( Country Of Origin: United States )

Review GM Tbss/nnbs Gen Truck Intake Manifold Ls 4.8 5.3 6.0 Cathedral Port

Introducing the GM 19775304 TBSS/NNBS Gen Intake Manifold, specifically designed for use with LS 4.8L, 5.3L, and 6.0L Cathedral Port engines. This intake manifold is a crucial component of your engine's fuel delivery system, ensuring a smooth and efficient air-fuel mixture for optimal performance.

The manifold is meticulously engineered with a multi-port design, boasting a robust construction that features a high-strength aluminum alloy base and a composite intake runner design. This combination not only enhances the durability of the manifold but also contributes to improved engine response and power output.

The TBSS/NNBS Gen Intake Manifold is equipped with a state-of-the-art, large-bore, rectangular-port design that enables a more efficient fuel delivery process. The large ports facilitate a more significant fuel charge into the engine cylinders, which ultimately leads to increased power and torque production.

Additionally, this intake manifold features a unique, closed-loop design that enhances the sealing of the gasket interface. This feature ensures a more efficient combustion process and helps minimize fuel leaks, providing better engine performance and improved emissions.

The TBSS/NNBS Gen Intake Manifold is an essential upgrade for those seeking to enhance the power and efficiency of their LS 4.8L, 5.3L, or 6.0L Cathedral Port engine. This intake manifold is a direct replacement for the factory intake manifold, making for an easy installation process. With its robust construction, efficient design, and improved overall performance, the GM 19775304 TBSS/NNBS Gen Intake Manifold is an excellent addition to any performance-focused build.

Pros and Cons of Buying a GM 19775304 TBSS/NNBS Gen Intake Manifold for LS 4.8, 5.3, 6.0 Cathedral Port Engines

The GM 19775304 TBSS/NNBS Gen Intake Manifold is a popular aftermarket upgrade for LS 4.8, 5.3, and 6.0 cathedral port engines. This intake manifold offers several benefits over the stock intake, but it also comes with some drawbacks. In this article, we will discuss the pros and cons of buying this intake manifold to help you make an informed decision.

1. Improved Airflow: The TBSS/NNBS Gen Intake Manifold provides better airflow to the engine, which leads to increased horsepower and torque. This is achieved through the use of larger runners and a more efficient design.

2. Better Fuel Distribution: The intake manifold offers improved fuel distribution, which results in better combustion and increased performance. The design of the manifold ensures that each cylinder receives an optimal amount of fuel, leading to more consistent power delivery.

3. Enhanced Durability: The TBSS/NNBS Gen Intake Manifold is made from high-quality materials, such as aluminum, which makes it more durable than the stock intake. This means that it can withstand the rigors of high-performance driving and racing applications.

4. Improved Throttle Response: The intake manifold provides improved throttle response, which makes the engine feel more responsive and quicker to rev. This is due to the more efficient design of the manifold, which reduces the amount of time it takes for air to flow from the intake to the engine.

1. Cost: The TBSS/NNBS Gen Intake Manifold is more expensive than the stock intake. This is due to the high-quality materials and advanced design of the manifold.

2. Installation Complexity: Installing the intake manifold can be a complex process, as it requires the removal of the engine's cylinder heads. This process can be time-consuming and may require the assistance of a professional mechanic.

3. Compatibility: The intake manifold may not be compatible with all LS engines or aftermarket modifications, such as certain exhaust systems or fuel systems. It is important to check compatibility before making a purchase.

In conclusion, the GM 19775304 TBSS/NNBS Gen Intake Manifold offers several benefits over the stock intake, including improved airflow, better fuel distribution, enhanced durability, and improved throttle response. However, it also comes with some drawbacks, such as a higher cost, installation complexity, and potential compatibility issues.

If you are looking for significant performance gains and are willing to invest the time and money required for installation, then the TBSS/NNBS Gen Intake Manifold is a worthwhile upgrade. However, if you are on a budget or are not ready for the complexity of the installation process, then the stock intake may be a better option for you.

If you are serious about maximizing the performance of your LS engine and are willing to invest the time and money required for installation, then the GM 19775304 TBSS/NNBS Gen Intake Manifold is a recommended upgrade. However, if you are on a budget or are not ready for the complexity of the installation process, then it may be best to stick with the stock intake. It is always a good idea to consult with a professional mechanic or performance specialist to determine which intake manifold is best for your specific application.

Details:

GM part #12613411 36LB/HR fuel Injectors LS TBSS Gen 4 truck intake manifold in great shape with rails and injectors.

part #: 19775304 prices

• $175.00-$315.99

specifications inputmanifolds:

• brand: Gm
• mounting style: Bolt-on
• color: Black
• items included: Mounting Hardware
• manufacturer part number: 19775304
• cylinder head type: Cathedral Port
• material: Plastic
• item length: 22
• vintage part: No
• placement on vehicle: Front, Upper
• fuel type: Gasoline
• type: Intake Manifold
• manufacturer warranty: No Warranty
• item height: 11
• features: Bare, Heat-resistant, Unfinished
• universal fitment: Yes
• item width: 12
• country of origin: United States

general inputmanifolds:

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

seller inputmanifolds:

• rating: 100.0%
• city: Muncie, Indiana
• # reviews: 170

payments inputmanifolds:

• credit card: Visa
• wallet: Apple-pay
• other
• money order

returns inputmanifolds:

• policy: No Returns

offer inputmanifolds:

• availability: In Stock
• best offers: True
• started: February 26, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0

shipping inputmanifolds:

• transit: 4-7 Days
• class: Standard
• carrier: UPS
• cost: $0.00
• type: Calculated
• service: UPS Ground

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