Holley FR 86770RD 770 CFM Ultra Street Avenger Carburetor Factory Holley FR 86770RD 770 CFM Ultra Street Avenger Carburetor Factory Holley 0 83870 870 CFM Street Avenger Aluminum Carburetor eBay Holley 670 CFM Street Avenger Carburetor Manual Choke Vacuum Holley 670 CFM Street Avenger Carburetor Electric Choke Vacuum. 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 Factory preset electric choke for easy startups 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: 870. 0 Carburetor Material: Aluminum Carburetor Use: Street Choke Type: Electric Condition: New Cubic Feet Per Minute Rating: 870. 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: 78. 0 Primary Main Jet: 78. 0 Primary Power Valve: 4. 5 Primary Pump Nozzle Size: 42. 0 Secondaries: Vacuum Secondary Main Jet: 82. 0 Spacer Included: No Supercharged Application: No Throttle Bore: 1. 688 inch Vacuum Ports: 1 timed (spark) port, 2 full, and 1 Pcv port Warranty: Manufacturer's Limited Lifetime Warranty