0-86770BK Ultra Street Avenger Carburetor 770 cfm

Name: 0-86770BK Ultra Street Avenger Carburetor 770 cfm
Brand: HOLLEY
SKU: 510-0-86770BK
Price: 921.95 USD
Availability: InStock

^$921⁹⁵

Ships on 09/24/2026

Lowest Price Guarantee

770 CFM

770 cfm
Vacuum Secondary
Electric Choke
Tumble Polish and Black Anodized Finish
Barrels: 4
Billet Color: Black
Booster Type: Down leg
CFM: 770
Choke: Electric
Finish: Shiny
Fuel: Gasoline
Fuel Inlet: Dual
Material: Aluminum
Model: 4150
Secondaries: Vacuum
Supercharged Application: No
Throttle Bore: 1.6875 inch (Square Bore)
Vacuum Ports: 1 timed (spark) port, 2 full, and 1 PCV port
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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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. A variety of anodized color options allow for a personalized look Each Ultra Street weighs approximately 5 lbs. less than a comparable zinc Ultra Street carburetor. Ultra Street Avenger carburetors have the same great features as their cast aluminum counterpart carburetors such as quick-change vacuum secondaries, four vacuum ports, factory preset ''No Trouble'' electric choke, built-in fuel filters and an included fuel line kit. The Ultra Street Avenger now comes with anodized metering blocks and a base plate made from 6061-T6 billet aluminum with built-in, clear fuel level sight glass for easy fuel level adjustments.

Features:

Billet aluminum metering blocks & base plate for true gasket sealing
Factory preset electric choke
Vacuum secondaries allow use on a variety of applications
Quick change vacuum housing cap allows tuning for performance or fuel economy
4-Corner idle
Clear fuel level sight glass
Aluminum construction for a 43% weight savings over zinc construction
Compatible with Chrysler, GM and Ford A/T kickdown linkage (additional parts may be required)
Fuel line kit included
Square Bore Base Plate
100% Wet-Flow Tested by Holley Technicians

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