HOLLEY Carburetor Cfm Vacuum Secondaries HO0-80870 4-BBL

( Brand: Holley ), ( Manufacturer Part Number: 0-80870 ), ( Part Type: Vacuum Carburetor ), ( Ipn: Ho0-80870 ), ( California Prop 65 Warning: Warning ), ( Seller: Summit Racing Equipment ), ( Carburetor Cfm: 870 Cfm ), ( Carburetor Fuel: Gasoline ), ( Carburetor Flange: Square Bore ), ( Carburetor Choke: Electric ), ( Carburetor Secondaries: Vacuum ), ( Carburetor Type: Holley Street Avenger Carburetors )

Review HOLLEY Carburetor 870 Cfm Vacuum Secondaries fits STREET AVENGER

The Holley Street Avenger HO 0-80870 carburetor is a high-performance 4-barrel carburetor with an impressive flow rate of 870 CFM. This carburetor is part of Holley's Street Avenger series, which is designed to provide excellent fuel delivery for both street and strip applications.

The HO 0-80870 features Holley's proven vacuum secondary technology, allowing for excellent idle quality and vacuum secondaries that provide additional fuel for improved power and torque at wide-open throttle. The secondary circuits are controlled by a unique vacuum secondaries plate, which utilizes a progressive taper to provide optimal fuel delivery at various engine RPMs.

The carburetor body is constructed from high-strength aluminum and features Holley's exclusive Ultra-Lite Secondary Emulsion System. This system utilizes a lightweight, hollow secondary emulsion tubes that help to reduce weight and improve cooling. The carburetor also includes a high-performance air horn, which helps to ensure excellent airflow and fuel atomization.

The Holley Street Avenger HO 0-80870 is designed for easy installation and tuning. It includes a new internal design that simplifies jet and needle selection, as well as a new bowl gasket that makes bowl removal and installation easier than ever before. The carburetor also includes Holley's exclusive HOLLEY EFI-compatible base plate, which allows for easy conversion to electronic fuel injection (EFI) in the future.

Additional features of the Holley Street Avenger HO 0-80870 include a brass fuel bowl with a 2.5-inch diameter, adjustable primary and secondary emulsion tubes, and a built-in accelerator pump. The carburetor is also compatible with Holley's Dominator EFI system, allowing for electronic fuel delivery and tuning capabilities.

Overall, the Holley Street Avenger HO 0-80870 is a high-performance carburetor that delivers excellent fuel delivery for both street and racing applications. Its vacuum secondary technology provides optimal fuel delivery at various engine RPMs, while its lightweight design and easy installation make it a popular choice among performance enthusiasts.

The Holley 4-bbl 870 CFM Street Avenger carburetor with vacuum secondaries (part number 0-80870) is a popular choice among performance enthusiasts for their hot rods and muscle cars. However, like any other automotive component, it comes with its pros and cons.

1. High Flow Rate: With a CFM rating of 870, this carburetor can deliver a substantial amount of air and fuel mixture to the engine, which can lead to increased horsepower and torque.

2. Vacuum Secondaries: The vacuum secondary system can provide additional fuel to the engine under wide-open throttle conditions, which can help improve power and performance.

3. Easy-to-Tune: Holley carburetors are known for their ease of tuning, and the Street Avenger series is no exception. The adjustable secondary emulsion control allows for fine-tuning the secondary fuel mixture.

4. Durable Construction: The carburetor features a robust construction with a billet aluminum base, brass bodies, and stainless steel components.

5. Wide Compatibility: The Holley 0-80870 carburetor is compatible with a wide range of applications, including small-block Chevy, Ford, and Chrysler engines.

1. Complexity: Compared to simpler carburetors, the Holley 4-bbl 870 CFM Street Avenger with vacuum secondaries can be more complex to install and tune.

2. Cost: This carburetor is more expensive than some other options on the market, which may be a deterrent for some enthusiasts.

3. Fuel Economy: As with any high-performance carburetor, fuel economy may suffer.

4. Cold Start Performance: Some users have reported issues with cold start performance, which may require additional tuning or the use of a choke.

The Holley 4-bbl 870 CFM Street Avenger carburetor with vacuum secondaries (0-80870) is a high-performance component that delivers impressive power and torque gains. Its durability, ease of tuning, and wide compatibility make it a popular choice among performance enthusiasts. However, its complexity, cost, and potential cold start issues are important considerations that should be taken into account before making a purchase.

If you're looking for a high-performance carburetor that can deliver significant power gains and are willing to invest the time and resources into its installation and tuning, then the Holley 4-bbl 870 CFM Street Avenger with vacuum secondaries (0-80870) is an excellent choice. However, if you're on a tighter budget or prefer a simpler carburetor, there may be other options that better suit your needs. Ultimately, it's essential to weigh the pros and cons carefully before making a purchase.

Details:

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Holley 0-80870 Carburetor, Street Avenger, 870 cfm , Square Bore, 4-Barrel, Electric Choke, Dual Inlet, Silver, Each. Buyer pays return shipping.

part #: 080870 prices

• $189.95-$400.00

specifications carbcoon:

• for models: Street, Avenger
• brand: Holley
• mpn: 0-80870
• part type: Vacuum Carburetor
• ipn: Ho0-80870
• california prop 65 warning: Warning
• seller: Summit Racing Equipment
• carburetor cfm: 870 Cfm
• carburetor fuel: Gasoline
• carburetor flange: Square Bore
• carburetor choke: Electric
• carburetor secondaries: Vacuum
• carburetor type: Holley Street Avenger Carburetors

offer carbcoon:

• started: August 24, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

seller carbcoon:

• rating: 98.7%
• city: Tallmadge, Ohio
• # reviews: 1128863

payments carbcoon:

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

returns carbcoon:

• time: 60 Days
• policy: Returns Accepted
• paid by: Seller

shipping carbcoon:

• class: Economy
• transit: 3-5 Days
• cost: $0.00
• type: Fixed
• service: Economy

general carbcoon:

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

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