Holley 0-81570 Street Avenger Carburetor 570 CFM 4150 Vacuum Secondaries Shiny Gasoline Choke Type Manual

Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts store. The Avenger series are the first carburetors to have a limited lifetime warranty.

With a great warranty like that and the included comprehensive instruction manual, you can count on years of worry free service.

Features and Benefits:

• Vibratory polished for good looks Optimized street calibration that works-out-of-the-box Manual choke (Cable driven, hand operated) for precise cold start control Vacuum secondaries allow use on a wide variety of vehicles
• Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included) Compatible with GM, Chrysler, and Ford A/T kickdown linkage
• Additional parts may be required
• Fuel line kit included so there are no unnecessary trips back to the parts store Limited lifetime warranty - Guaranteed to be free from defects in material and workmanship for the life of the product! 100 percent wet-flow tested by Holley technicians to assure it arrives ready to run!

Associated Comments:

• This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter Afb, and Autolite style carburetors with 5 3/16 inch x 5 5/8 inch bolt pattern.
• If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr.
• Gasket #1932.

Details:

• Barrel Quantity: 4.0
• Body Color: Polished
• Body Finish: Polished
• Booster: Straight
• Booster Design: Straight
• CFM: 570.0
• Carburetor Material: Aluminum
• Carburetor Use: Street
• Choke Type: Manual
• Condition: New
• Cubic Feet Per Minute Rating: 570.0
• Finish: Shiny
• Flange Type: Square/4150
• Fuel Type: Gasoline
• Fuel Inlet: Dual
• Grade Type: Performance
• Linkage Attached: Yes
• Marine Approved: No
• Marine Use: No
• Material: Aluminum
• Model: 4150
• Mounting Hole Quantity: 4.0
• Primary Jet Diameter: 64.0
• Primary Main Jet: 64.0
• Primary Power Valve: 6.5
• Primary Pump Nozzle Size: 31.0
• Secondaries: Vacuum
• Secondary Main Jet: 68.0
• Spacer Included: No
• Supercharged Application: No
• Throttle Bore: 1.562 inch
• Vacuum Ports: 1 timed (spark) port, 2 full, and 1 PCV port
• Warranty: Manufacturer's Limited Lifetime Warranty

Installation Guide: Download PDF

Installation / Product Video: Watch on YouTube

⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.