These Street Avenger products offer better throttle response, better acceleration, enhanced fuel economy and superior driveability to anything on the street today. We have taken the guesswork out of street engine improvements with the Holley Street Avenger System. The Street Avenger System matches key components together in a dyno tested package, calibrated and designed uniquely for the street enthusiast. The first true performance carb designed specifically for the street
No TroubleTM adjustable vacuum secondaries. Select street, high performance or fuel Economy.
No TroubleTM adjustable electric choke for cleaner, smoother warm-ups.
External No TroubleTM adjustable float with sight plug.
Gen IV No TroubleTM power valve with million mile protection.
Four vacuum ports - PCV, Power Brake, Spark and A/C or modulating.
Sintered brass, high flow fuel inlet filters located in fuel bowls.
Ford A/T kickdown.
Holley zinc castings are more stable and less susceptible to performance changes due to heat build-up, than aluminum castings.
Lifetime Limited Warranty.
This product is in the following categories:
Air And Fuel
Part #: 0-80570
570 CFM 4 BBL Square Bore w/Vacuum Secondaries
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670 CFM 4 BBL Square Bore w/Vacuum Secondaries
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770 CFM 4 BBL Square Bore w/Vacuum Secondaries
Part #: 0-80870
870 CFM 4 BBL Square Bore w/Vacuum Secondaries
Part #: 0-86670HB
Holley 0-86670HB Ultra Pumper 4 Barrel Square Bore Carburetor. 670 CFM with Electric Choke
Part #: 0-86770HB
Holley 0-86770HB Ultra Pumper 4 Barrel Square Bore Carburetor. 770 CFM with Electric Choke
Part #: 0-86770RD
Holley Ultra Street Avenger Aluminum 4 Barrel Carburetor with Electric Choke. Square Bore 770 CFM