3902353 Power Holley Carbs Port Intake Manifold 435HP

( Brand: General Motors ), ( 1968 Corvette Tri-power Holley Carbs Rectangular Port: Aluminum Intake Manifold L71 427 435hp ), ( Type: Intake Manifold ), ( Oe/oem Part Number: 3919852 ), ( Manufacturer Part Number: 3902353 ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes ), ( Universal Fitment: No )

Review GENERAL MOTORS Tri power Holley Carbs Rectangular Port Intake Manifold 435hp fits CORVETTE 427 1968

Introducing the 1968 Corvette Tri-Power Holley Carburetor Port Intake Manifold, a high-performance upgrade designed for 427 cubic inch engines, capable of delivering an impressive horsepower output of up to 435 HP. This intake manifold is a must-have for any Corvette enthusiast seeking to enhance the power and performance of their classic muscle car.

The Tri-Power Holley Carburetor Port Intake Manifold is meticulously crafted from premium aluminum material, ensuring durability and strength. Its unique design features three separate intake runners, each feeding a Holley 4160-series triple two-barrel carburetor, allowing for optimal fuel distribution and airflow.

Each intake runner is meticulously tuned to provide an ideal fuel-air mixture, resulting in improved combustion efficiency and increased power output. The intake manifold also includes provisions for factory-style air cleaners, providing a clean and aesthetically pleasing appearance, while ensuring proper air filtration.

The 1968 Corvette Tri-Power Holley Carburetor Port Intake Manifold is designed to bolt directly onto the engine, making installation a straightforward process for most mechanically inclined DIYers. It is compatible with 427 cubic inch engines and can be used in conjunction with various exhaust systems and headers.

In summary, this 1968 Corvette Tri-Power Holley Carburetor Port Intake Manifold is an excellent investment for any 1968 Corvette with a 427 cubic inch engine, seeking to boost horsepower and achieve that classic muscle car roar. With its high-quality construction, proven performance, and easy installation process, this intake manifold is an essential component for any serious Corvette enthusiast.

Buying a 1968 Corvette with a tri-power Holley carburetors, 427 cubic inch engine, and a port intake manifold capable of producing 435 horsepower can be an exciting venture for any Corvette enthusiast. Here are some potential pros and cons to consider before making a purchase.

1. Power: The 427 cubic inch engine with tri-power Holley carburetors is known for its impressive power output, making your Corvette a formidable force on the road or at the track.

2. Authenticity: This engine and carburetor setup is a popular choice among Corvette purists, adding to the vehicle's collectability and desirability.

3. Performance: The tri-power setup provides better throttle response and fuel efficiency than a single four-barrel carburetor. Additionally, the port intake manifold optimizes the air/fuel mixture for improved engine performance.

4. Customizability: With triple carburetors, you have more control over the engine's tuning, allowing you to fine-tune the vehicle for your specific driving preferences.

1. Complexity: Tri-power carburetors are more complex than a single four-barrel setup, requiring more maintenance and potential for more issues.

2. Cost: The cost of purchasing and installing a tri-power Holley carburetor setup, along with the 427 engine and port intake manifold, can be quite high, potentially deterring some buyers.

3. Fuel efficiency: Due to the increased power output, fuel efficiency may suffer with this setup, which could lead to higher operating costs.

4. Availability of parts: Some parts for this setup may be difficult to find or expensive, making repairs and maintenance more challenging.

The decision to buy a 1968 Corvette with a tri-power Holley carburetors, 427 cubic inch engine, and a port intake manifold ultimately comes down to your personal preferences and priorities. If you're looking for a powerful, collectible Corvette and are willing to invest time and resources into maintaining this complex setup, then this could be an excellent choice for you. However, if you're more interested in fuel efficiency and ease of maintenance, you may want to consider other options. Ultimately, it's essential to weigh the pros and cons carefully and thoroughly research the potential costs and availability of parts before making your purchase.

If you're set on purchasing a 1968 Corvette with this setup, I would recommend thoroughly inspecting the vehicle and obtaining a pre-purchase inspection from a trusted mechanic. Additionally, consider budgeting for the higher costs associated with this setup, including the purchase price, installation, and ongoing maintenance. Lastly, be prepared to invest time and effort into learning how to tune and maintain the triple carburetors to ensure optimal performance.

Details:

See pictures for condition and wear as we rely heavily on photos. It is untested, its been sitting for years and will almost certainly need to be rebuilt. Free shipping is to the lower 48 states only. Original Harrison heater box from a southern car that looks to be pretty well preserved.

These are not new parts unless noted so please set your expectations accordingly. Expect it to need work prior usage or installation, do not expect plug in and perfectly. A used part may have dust, dirt, old paint, scratches or cracks. Applications are based upon various sources, although I try to make sure research is correct it can be flawed so please verify your applications.

Very nice find.

part #: 3902353 prices

• $1100.00-$5999.99

specifications inputmanifolds:

• for models: 427, Corvette
• for years: 1968
• brand: General Motors
• 1968 corvette tri-power holley carbs rectangular port: Aluminum Intake Manifold L71 427 435hp
• type: Intake Manifold
• oe/oem part number: 3919852
• manufacturer part number: 3902353
• country/region of manufacture: United States
• vintage part: Yes
• universal fitment: No

shipping inputmanifolds:

• transit: 12-21 Days
• service: USPS Ground Advantage, UPS Ground, FedEx Ground / FedEx Home Delivery
• carrier: USPS, UPS, FedEx
• class: Standard
• type: Fixed
• cost: $0.00

payments inputmanifolds:

• other
• wallet: Apple-pay
• credit card: Mastercard

returns inputmanifolds:

• policy: No Returns

general inputmanifolds:

• condition: For parts or not working
• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds

seller inputmanifolds:

• rating: 99.8%
• # reviews: 9430
• city: Tulsa, Oklahoma

offer inputmanifolds:

• sold: 0
• started: September 8, 2025
• options: Ship-to-home
• availability: In Stock
• quantity: 1

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