CORVETTE 3940929 Center Holley Carburetor 4055 881

( Brand: Corvette ), ( Part Type: Carburetor ), ( Oe/oem Part Number: List 4055 ), ( Manufacturer Part Number: 3940929 ), ( Performance Part: Yes )

Review CORVETTE Holley Carburetor List Date 881 fits 427 EV 1968–1969

1968-1969 Corvette 427 Big Block Engine 4055 881 Center Holley Carburetor

This is an authentic Center Holley Carburetor, model number 4055, specifically designed for use in 1968 and 1969 Chevrolet Corvettes with 427 big block engines, part number 3940929. The Holley carburetor is a high-performance upgrade that offers improved fuel delivery and throttle response, making it an excellent choice for Corvette enthusiasts seeking to enhance their engine's power and efficiency.

The 4055 carburetor is a double-pumper design, which means it features two vacuum secondary circuits that provide additional fuel for high-performance applications. This particular carburetor comes with a 750 CFM primary venturi and 850 CFM secondary venturis, ensuring optimal fuel flow for the 427 big block engine.

One of the standout features of this Holley carburetor is its adjustable features, which include adjustable primary and secondary idle circuits, secondary enrichment circuits, and an adjustable power valve. These adjustments allow for fine-tuning of the carburetor to meet the specific needs of your Corvette's engine and driving conditions.

The carburetor housing is made from high-quality aluminum, ensuring durability and longevity while reducing engine weight. It also features a polished finish that adds a touch of elegance to your engine bay. Additionally, the carburetor comes with Holley's signature red accents and labels, which not only look great but also help identify key components at a glance.

This Holley carburetor is equipped with a 14-inch throttle shaft, a 6-bolt intake flange, and a 1 -inch primary fuel inlet. It is also compatible with various intake manifolds and air cleaners, such as the Holley Dominator, Holley Ultra, and Edelbrock Performer.

Installing this carburetor in your 1968-1969 Corvette is a straightforward process, thanks to its standard Holley 4150 intake manifold bolt pattern. However, it is recommended that you consult your vehicle's factory service manual or a professional mechanic for proper installation and tuning procedures.

In conclusion, the 1968-1969 Corvette 427 big block engine 4055 881 Center Holley Carburetor is a high-performance, adjustable fuel delivery system that is a worthy addition to any Corvette enthusiast's engine bay. Its durable construction, fine-tuning capabilities, and classic Holley design make it an essential upgrade for those seeking improved power, efficiency, and style from their Corvette.

Pros and Cons of Buying a 1968-1969 Corvette 427 Center Holley Carburetor (4055 881)

a. Enhanced Performance: This carburetor is known for its excellent fuel delivery and air/fuel mixture control, which can significantly improve the performance of your 1968-1969 Corvette engine.

b. Fuel Efficiency: The Holley carburetor offers better fuel economy compared to other performance carburetors due to its efficient fuel delivery system.

c. Customizability: Holley carburetors come with various options for jetting, emulsion tubes, and other components, allowing you to fine-tune the carburetor for your specific engine setup and driving conditions.

d. Durability: Center Holley carburetors are known for their robust construction and long-lasting performance, making them an excellent investment for Corvette enthusiasts.

a. Complexity: Holley carburetors can be more complex to install and tune compared to stock carburetors, requiring a higher level of expertise and time investment.

b. Cost: These performance carburetors can be more expensive than stock carburetors, especially when considering the cost of custom components, installation, and tuning.

c. Maintenance: Holley carburetors require regular maintenance, including periodic jetting adjustments, vacuum secondary checks, and other routine checks to ensure optimal performance.

The 1968-1969 Corvette 427 Center Holley Carburetor (4055 881) offers significant performance benefits, including improved fuel efficiency, enhanced engine response, and the ability to fine-tune the carburetor for your specific engine setup. However, it comes with some drawbacks, such as complexity, cost, and maintenance requirements.

If you're a Corvette enthusiast seeking to significantly improve the performance of your 1968-1969 Corvette engine, the Holley carburetor is an excellent investment. However, you should be prepared for the complexities and costs associated with its installation, tuning, and maintenance. It's also essential to ensure that you have the necessary expertise or seek professional help to optimize the carburetor's performance.

part # 3940929 prices

• $850.00-$5800.00

specifications carbcaddie:

• for models: 427, Ev
• for years: 1968-1969
• brand: Corvette
• part type: Carburetor
• oe/oem part number: List 4055
• manufacturer part number: 3940929
• performance part: Yes

offer carbcaddie:

• best offers: True
• availability: In Stock
• sold: 0
• started: April 6, 2025
• options: Ship-to-home
• quantity: 1

returns carbcaddie:

• paid by: Buyer
• policy: Returns Accepted
• time: 14 Days

shipping carbcaddie:

• cost: $29.98
• service: Economy
• transit: 4-8 Days
• class: Economy
• type: Fixed

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• credit card: Diners-club

seller carbcaddie:

• # reviews: 5319
• rating: 99.1%

general carbcaddie:

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

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