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High-performance 4 barrel carburetor for enhanced street driving efficiency.
The Holley Performance Street Avenger Carburetor is engineered for optimal street performance, featuring a 570 CFM capacity and a square bore flange design. This carburetor is equipped with a manual choke and vacuum secondaries, making it suitable for gasoline applications. Its performance calibration allows for a significant increase in acceleration and fuel economy, with adjustments possible to suit various driving styles.
Designed with the street enthusiast in mind, the Street Avenger Carburetor includes a no trouble quick change adjustable vacuum secondary, which is factory calibrated for immediate use. The secondary metering block facilitates easy tuning of rear jets, while the adjustable needle and seat ensure compatibility with varying fuel pressure levels. The clear sight plugs and window provide visibility for float adjustments, enhancing user convenience.
This carburetor is built to deliver precise fuel metering, resulting in impressive low-end torque and acceleration, as well as top-end horsepower. The polished finish adds a sleek aesthetic, while the design adheres to emissions regulations, making it a compliant choice for automotive street applications.
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: 0-81570
- 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: Manual
- 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
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.
