Holley 770 Cfm Ultra Street Avenger Carburetor #86770RD

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ULTRA light - Aluminum construction for 43% weight savings

ULTRA strong -Billet metering blocks & base plates

ULTRA cool - Red anodized billet aluminum metering blocks and base plate

ULTRA easy - Built in sight window for simple float adjustments

ULTRA fast - High-performance fuel curves

The Ultra Street Avenger carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061-T6 billet aluminum. They weigh in at approximately 5 lbs less than a comparable zinc carburetor.

The new Ultra Street Avenger carburetors have the same great features as their aluminum counterparts such as 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 electric choke for easy startups; 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 anodized metering blocks and a base plate made from 6061-T6 billet aluminum and a built in, clear fuel level sight glass for easy, no mess fuel level adjustments.

Barrels 4

Billet Color Red

Booster Down Leg

Brand Holley

CFM 770

Choke Electric

Emission Code 3

Finish Shiny

Fuel Gasoline

Fuel Inlet Dual

Material Aluminum

Model 4150

Primary Main Jet 72

Primary Power Valve 6.5

Primary Pump Nozzle Size 31

Product Type 4150 Model Carburetor

Secondaries Vacuum

Secondary Main Jet 84

Supercharged Application No

Throttle Bore 1.6875 inch

Vacuum Ports 1 timed (spark) port, 2 full, and 1 PCV port

More Information
Part Type Carburettors
Product Line Air & Fuel Delivery
Brand Holley
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