What is the purpose of changing carburetor main jets?

Changing main jets allows you to fine-tune the fuel mixture for your engine. This can help optimize performance, improve throttle response, and ensure the engine runs correctly with specific modifications or driving conditions.

Are these jets compatible with carburetors other than Edelbrock 94?

Yes, these jets are intended for the Edelbrock 94 carburetor but will also fit original Holley 94 carburetors and their later variations. Always double-check your specific carburetor model for compatibility.

What does the '.077"' size mean for these jets?

The '.077"' refers to the diameter of the opening in the jet. A smaller opening restricts fuel flow more, while a larger opening allows more fuel to pass through. This size is specific for tuning the fuel delivery in compatible carburetors.

Edelbrock Standard Main Jets 1/4-32 Thread Jet 77 Size-0 077In Quantity-2

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Specifications

Brand: Edelbrock
Part #: 12477
UPC: 85347124770

Edelbrock Standard Main Jets 1/4-32 Thread Jet 77 Size-0 077In Quantity-2

Name: Edelbrock Standard Main Jets 1/4-32 Thread Jet 77 Size-0 077In Quantity-2
Brand: Edelbrock
Price: 14.95 USD
Availability: InStock

$14.95

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Edelbrock 94 Series carburetor main jets, size .077". Tune your carburetor for improved performance. Sold in pairs.

Key Features

Fits Edelbrock 94 carburetors, as well as Holley 94 and later variations.
Main jet size is .077 inches, stamped on the jet for easy identification.
Sold in pairs for convenient tuning.
Standard 1/4-32 thread size.
Designed for fine-tuning carburetor fuel delivery.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

Edelbrock is well-known for its performance carburetors and intake manifolds. If you're working on tuning your Edelbrock 94 carburetor, or even a Holley 94 and its later variations, these main jets are what you'll need to make those fine adjustments. They come stamped with their size, so you know exactly what you're installing.

These jets are sold in pairs and have a .077 inch opening, which is a specific size for fine-tuning your fuel mixture. Getting the right jet size is crucial for optimal engine performance, whether you're looking for a bit more power or better fuel economy. This particular jet is designed to fit the Edelbrock 94 carburetor, but it's also compatible with Holley 94 carburetors and their subsequent models.

This part fits a wide range of vehicles, including models like the Chevrolet C10, Buick LeSabre, and Avanti II. Having the correct main jets can make a noticeable difference in how your engine runs.