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1977 Chevrolet K5 Blazer Carburetor 8 Cyl 7.4L Holley

4.5 on 70 ratings
  • Features:
    • Features A Tumble Polished Finish Can Also Be Hand Polished
    • Optimized Street Calibration That Works Out Of The Box
    • Factory Preset Electric Choke For Easy Startups
    • Glass Fuel Level Sight Windows For Easy Safe Float Adjustments
    • Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
    • 4 Corner Idle Allows You To Precisely Control Your Idle System
    • No Unnecessary Trips Back To The Parts Store
    • Limited Lifetime Warranty
    • 100% Wet Flow Tested By Holley Technicians
  • Holleys Street Avenger series carburetors have been taken to the next level. Street Avenger carburetors are known to bolt on right out of the box, so what could be better than a Holley Street Avenger(TM); carburetor? How about one in aluminum? They save weight and look great. The tumble polished aluminum finish will keep its shine for a long time to come or it can be hand polished to a show quality shine. The new Aluminum Avenger carburetors have the same great features as their zinc counterparts such as a quick change vacuum secondary for easy fine tuning; 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. Aluminum Avengers feature the same optimized street calibration as the zinc version so you know they will run great on your vehicle. Another new feature on the Aluminum Street Avenger is a clear fuel level sight glass for easy, no mess float adjustments. 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. Limited to stock. replaced by 0-80770

Additional Fitment Information:
Vehicle Block CC Engine CID
1977 Chevrolet K5 Blazer V - 8 Cyl 7.4L 454
Brand Holley
Part # 0-83770
Condition New
Holley

K5 Blazer Holley Carburetor 0-83770 1977 Chevrolet
  • 4 bbl; 770 cfm; Model 4150; Vacuum Secondary; Electric Choke; Gasoline; Dual Fuel Inlet; Shiny Finish 1 Timed Spark Vacuum Port; 2 Full/1 PCV Vacuum Port~Down Leg Booster; 1.688 in. Throttle Bore~Not Legal For Sale Or Use In California On Any Pollution Controlled
  • Street Avenger Carburetor; 4 bbl; 770 cfm; Model 4150; Vacuum Secondary; Electric Choke; Gasoline; Dual Fuel Inlet; Shiny Finish;
  • Street Avenger Carburetor

    • General

    Primary Main Jet
    70
    Primary Power Valve
    6.5
    WARNING CA Proposition 65
    Yes
    Fuel Type
    Gasoline
    Throttle Bore
    1.688 In.
    WARNING CA Proposition 65 Message
    Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
    Booster Type
    Down Leg
    Vacuum Port Quantity
    1 Timed (spark); 2 Full; 1 Pcv
    CFM
    770
    Secondary Type
    Vacuum
    Supercharged Application
    No
    Carburetor Type
    4150
    Fuel Inlet
    Dual
    Flange
    Square Bore
    Usage
    Street/hi-performance
    Choke
    Electric
    Secondary Main Jet
    75
    Barrel
    Four
    Emission
    Without Egr

    Packaging

    package quantity
    1
    weight
    8.30 lb
    Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.

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