Holley Ultra Street Avenger Carburetors


Holley
Holley Ultra Street Avenger Carburetors

Holley's Ultra Street Avenger Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061 T6 billet aluminum and weigh approximately 5lbs. less than a conventional carburetor. The aluminum construction allows the carbs to hold their shine longer than their zinc plated counter parts.

The Ultra Street Avenger carburetors in addition to the above features include a tumble polished aluminum finish; quick change vacuum secondaries for easy tuning to optimize performance or fuel economy; four vacuum ports for all necessary vacuum accessories; factory preset "No trouble" 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. Ultra Street Avengers feature the same optimized street calibration as the zinc versions so you know they will run great on your vehicle. In addition, the Ultra Street Avenger now comes with a built in, clear fuel level sight glass for easy, no mess fuel level adjustments.

Features & Benefits:

  • Billet metering blocks and base plates
  • Red & Blue anodized carbs have gold hardware
  • Black anodized carbs have black hardware
  • 4-Corner idle circuit
  • Vacuum secondaries
  • Quick change secondary spring cap
  • Glass sight plugs
  • Ford automatic transmission kickdown
  • Four vacuum ports
  • Factory pre-set no trouble electric choke
  • Built-in inlet fuel filters
  • Comprehensive instruction manual



  • Ultra 670 Avenger

    510-0-86670BK
    Ultra Street Avenger Carburetor
  • 670CFM
  • Black
    View this item
    Installation Instructions for Holley
  • $499.99
    Ships

    510-0-86670BL
    Ultra Street Avenger Carburetor
  • 670CFM
  • Blue
    View this item
    Installation Instructions for Holley
  • $499.99
    Ships

    510-0-86670RD
    Ultra Street Avenger Carburetor
  • 670CFM
  • Red
    View this item
    Installation Instructions for Holley
  • $499.99
    Ships
    Ultra 770 Avenger

    510-0-86770BK
    Ultra Street Avenger Carburetor
  • 770CFM
  • Black
    View this item
    Installation Instructions for Holley
  • $499.99
    Ships

    510-0-86770BL
    Ultra Street Avenger Carburetor
  • 770CFM
  • Blue
    View this item
    Installation Instructions for Holley
  • $499.99
    Ships

    510-0-86770RD
    Ultra Street Avenger Carburetor
  • 770CFM
  • Red
    View this item
    Installation Instructions for Holley
  • $499.99
    Ships