HOLLEY 80670-4 Cfm Carburetor Gasser

( Brand: Holley ), ( Manufacturer Part Number: 80670-4 ), ( Choke Type: Electric ), ( Type: Carburetor ), ( Mounting Flange Type: Square Bore ), ( Material: Aluminum ), ( Country/region Of Manufacture: United States ), ( Universal Fitment: Yes )

Review HOLLEY 670 Cfm Carburetor Chevy Gasser Project fits STREET AVENGER CAMARO 1955–1969

Introducing the Holley 80670-4 670 CFM Street Avenger Carburetor, a high-performance solution for your 1955 Chevy Gasser or 1969 Camaro. This carburetor is a part of Holley's Street Avenger series, which is renowned for delivering reliable and consistent power gains in street applications.

The Holley 80670-4 features a 670 CFM (cubic feet per minute) airflow rating, making it suitable for large displacement engines. This carburetor comes with a 2-gross inch bore size and is designed to work efficiently with a wide range of engine sizes and configurations.

One of the most notable features of this carburetor is its durable construction. It boasts a high-grade aluminum base and top, which not only adds to its aesthetic appeal but also ensures long-lasting performance. The base is also designed with a built-in fuel bowls, which eliminates the need for external fuel bowls, thus reducing complexity and potential failure points.

The Holley 80670-4 comes equipped with a 4-corner adjustable secondary metering design, which allows for precise tuning of your engine. This feature, combined with the carburetor's oversized 1 3/4-inch throttle bore, enables optimal power delivery and throttle response.

Additionally, this carburetor includes Holley's Advanced Air Induction System (AAIS) technology. This system uses a unique design to draw air from the rear of the carburetor, preventing fuel-robbing vacuum leaks. It also comes with a removable inner primary, making it easier for you to swap out jets and primary metering rods for different engine configurations.

The Holley 80670-4 670 CFM Street Avenger Carburetor is designed to provide a smooth and consistent powerband, making it an excellent choice for both street and strip use. Its high-performance capabilities, durability, and ease of tuning make it a popular choice among hot rod and muscle car enthusiasts.

In summary, the Holley 80670-4 670 CFM Street Avenger Carburetor is a high-quality, high-performance carburetor designed for use in 1955 Chevy Gasser and 1969 Camaro applications. Its large 670 CFM airflow rating, durable construction, adjustable secondary metering design, and advanced air induction system make it a reliable and effective solution for maximizing the power and performance of your engine.

The Holley 80670-4 670 CFM Street Avenger Carburetor is a popular choice for enthusiasts restoring or building high-performance versions of 1955 Chevy Gasser and 1969 Camaro applications. This carburetor offers several advantages and disadvantages, which are discussed below:

1. High Flow Rate: With a 670 CFM airflow capacity, this carburetor is well-suited for high-performance applications that require a large amount of fuel and air mixture.

2. Easily Adjustable: The Holley Street Avenger carburetor features a conveniently located adjustment screw on the primary and secondary metering rods, making it simple to fine-tune the fuel mixture for optimal engine performance.

3. Improved Idle Circulation: The Holley carburetor includes an idle mixture circular jet that helps maintain stable idle and improved idle quality.

4. Durable Construction: The carburetor's heavy-duty construction, including a forged aluminum body and billet aluminum linkage mounts, ensures long-lasting performance in demanding applications.

5. Self-Contained Floating Bowls: The self-contained, floating bowls help prevent fuel spillage and minimize the risk of fuel leakage.

1. Complex Installation: Installing a Holley carburetor can be a more involved process compared to stock carburetors, as it requires additional modifications, such as custom intake manifolds and linkages.

2. Expensive: The Holley 80670-4 carburetor is more expensive than stock carburetors, which could be a significant investment for some enthusiasts.

3. Requires Expert Tuning: Properly tuning a high-performance carburetor like the Holley 670 CFM Street Avenger requires expertise and experience, which could involve additional costs for professional tuning services.

The Holley 80670-4 670 CFM Street Avenger Carburetor offers numerous advantages for enthusiasts looking to build high-performance applications for their 1955 Chevy Gasser or 1969 Camaro. Its high flow rate, ease of adjustability, improved idle circulation, and durable construction make it a popular choice among performance enthusiasts. However, its complex installation, higher cost compared to stock carburetors, and the need for professional tuning expertise are potential disadvantages that should be considered.

If you are committed to building a high-performance engine for your 1955 Chevy Gasser or 1969 Camaro and are willing to invest the time and resources required for installation and tuning, the Holley 80670-4 670 CFM Street Avenger Carburetor is an excellent choice for meeting your performance goals. It delivers the power and versatility needed for a successful project while providing the added benefit of a durable and reliable carburetor design.

Details:

The HOLLEY 670 cfm Street Avenger Carburetor is a high-performance part designed for 1955 Chevy gasser projects and 1969 Camaro vehicles. I WENT WITH A SNIPER 2 FUEL INJECTION FOR MY 86.

part #: 806704 prices

• $699.95-$767.82

specifications carbcoon:

• for models: Street, Avenger, Camaro
• for makes: Chevy
• for years: 1955-1969
• brand: Holley
• mpn: 80670-4
• choke type: Electric
• type: Carburetor
• mounting flange type: Square Bore
• material: Aluminum
• country/region of manufacture: United States
• universal fitment: Yes

shipping carbcoon:

• carrier: USPS
• cost: $29.43
• class: Expedited
• service: USPS Priority Mail
• type: Calculated
• transit: 5-11 Days

payments carbcoon:

• other
• wallet: Apple-pay
• credit card: Diners-club

returns carbcoon:

• policy: No Returns

offer carbcoon:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• started: August 16, 2025
• quantity: 1
• sold: 0

seller carbcoon:

• rating: 0.0%
• # reviews: 0
• city: Goodlettsville, Tennessee

general carbcoon:

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

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