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High-performance 4 barrel carburetor with electric choke and vacuum secondaries.
The Holley Performance Street Avenger Carburetor is engineered for automotive street applications, delivering a flow rate of 570 cubic feet per minute (CFM) through its four-barrel design. This carburetor features a spread bore flange and is constructed with a shiny zinc finish, ensuring durability and performance. The electric choke simplifies cold starts, while the vacuum secondaries enhance acceleration and fuel efficiency, making it a versatile choice for street enthusiasts.
Designed with performance in mind, the Street Avenger Carburetor includes a no trouble quick change adjustable vacuum secondary, calibrated for optimal street performance. Users can easily tune the carburetor from mild to wild, achieving up to 6 percent more acceleration or 5 percent better fuel economy with a simple spring change. The secondary metering block allows for straightforward tuning of rear jets, ensuring precise fuel metering for enhanced low-end torque and top-end horsepower.
The adjustable needle and seat feature, along with clear sight plugs for float adjustment, accommodates varying fuel pressure levels, making it adaptable to different setups. This carburetor is specifically designed for street performance, providing the ultimate in tuning flexibility and efficiency for a range of vehicles, including Chevrolet big and small block engines from various model years.
Features
- No Trouble Quick Change Adjustable Vacuum Secondary: Comes Calibrated Specifically For Optimal Street Performance. Tunable From Mild To Wild
- Up To 6 Percent More Acceleration Or 5 Percent Better Fuel Economy With A Simple Spring Change
- No Trouble Electric Choke For Easy Warm Up Ensures Great Cold Starting. Factory Preset, Easily Adjustable And Designed To Prevent Accidental Over Adjustment
- Secondary Metering Block: Allows Easy Tuning Of Rear Jets
- Adjustable No Trouble Needle And Seat: Clear Sight Plugs Included For Float Adjustment To Accommodate Varying Fuel Pressure Levels. Clear Sight Window On Aluminum Street Avengers
- Street Avenger Fuel Metering System: Provides Precise Fuel Metering For Monster Low End Torque, Awesome Acceleration And Unmatched Top End Horsepower
- Designed Specifically For The Street Enthusiast. Tunable To Provide The Ultimate In Performance
Specifications
- Manufacturer: Holley Performance
- Manufacturer Part Number: 0-80570
- Condition: New
- Recommended Use: Automotive Street
- CFM: 570
- Number Of Barrels: 4
- Secondary Type: Vacuum
- Fuel: Gasoline
- Flange Style: Square Bore
- Fuel Inlet: Dual
- Choke Type: Electric
- Emissions: 49 State Legal
- Finish: Polished
- EGR: Without EGR
- Includes Gaskets: No
- Vehicle Fit List: Chevrolet Big Block 1965-1990 Gen IV 00, Big Block 1991-1995 Gen V 00, Small Block 1955-1986 00, ...
Compatibility / Fit
- 1900-1900 Chevrolet Big Block 1965-1990 Gen IV
- 1900-1900 Chevrolet Big Block 1991-1995 Gen V
- 1900-1900 Chevrolet Small Block 1955-1986
- 1900-1900 Chevrolet Small Block 1987-1998 (OE Roller)
- 1900-1900 Chevrolet Small Block 383
- 1900-1900 Ford 429-460
- 1900-1900 Ford Small Block 221-351W
- 1900-1900 Ford Small Block 347
- 1900-1900 Oldsmobile V8 260-455
- 1900-1900 Pontiac V8 326-455
Technical Documents
Product Videos
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
