Holley Street Avenger, 570 CFM 4-Barrel 4150 Square Bore Carburetor, For Stock Engines

Regular price $697.95

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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. 

  • 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% wet-flow tested by Holley technicians to assure it arrives ready to run!
  • Manufactured To Order:  Please allow approximately 1-2 weeks for manufacturing plus shipping
  • Barrels 4
    Booster Straight
    Brand Holley
    Carburetor Use Street
    CFM 570
    Choke Electric
    Condition New
    Emission Code 3
    Finish Shiny
    Fuel Gasoline
    Fuel Inlet Dual
    Marine Use No
    Material Aluminum
    Model 4150
    Primary Main Jet 64
    Primary Power Valve 6.5
    Primary Pump Nozzle Size 31
    Product Type Carburetor
    Sale Category Carburetors and Components
    Secondaries Vacuum
    Secondary Main Jet 68
    Supercharged Application No
    Throttle Bore 1.562 inch
    Vacuum Ports 1 timed (spark) port, 2 full, and 1 PCV port
    Sold Kit

This is THE carburetor expert old-school engine builders prefer over any other brand.  They are the easiest to set-up and tune to get you on the road enjoying your ride in almost no time.

  • Holley Street Avenger 670 CFM 4-Barrel 4150 Square Bore Carburetor and installation hardware
  • If you are unsatisfied with your purchase, here's what we can do: If your product is defective, damaged in transit, or the wrong merchandise, we are happy to exchange it for the same product within 30 days. If your product is custom manufactured to order, it is not returnable.
  • Manufacturer Warranty:  Limited lifetime
    Universal Application
    Models Years
    All V8 (for stock engines) All w/factory or aftermarket square bore intake manifold