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#425086770BK
Holley 0-86770BK 770 CFM Ultra Street Avenger Carburetor
- Comes with black anodized billet aluminum metering blocks/base plate for good looks and true gasket sealing
- Features an optimized street calibration that works-out-of-the-box
- Has a factory preset electric choke for easy startups
$828.95
/each
Factory Shipped
$921.95
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Product Summary
Universal Fit, 4-Barrel Carburetor Barrels, 770 CFM CFM
- Comes with black anodized billet aluminum metering blocks/base plate for good looks and true gasket sealing
- Features an optimized street calibration that works-out-of-the-box
- Has a factory preset electric choke for easy startups
- The 4 corner idle allows you to precisely control your idle system
- A Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included)
Rebates Available
See rebate detailsKey Specs
| Carburetor Barrels | 4-Barrel |
| Fuel Type | Gasoline |
| Choke Type | Electric |
| CFM Range | 700-799 CFM |
| CFM | 770 CFM |
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Return PolicyHolley 0-86770BK Details
Holley 0-86770BK Details
ULTRA light - Aluminum construction for 43% weight savings ULTRA strong -Billet metering blocks & base plates ULTRA cool - Black 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. Don't trust your performance to just anyone, Holley is the only Modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60's.
- Shiny with black anodized billet aluminum metering blocks/base plate for good looks and true gasket sealing
- Ultra Street Avengers feature an 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)
- 4 corner idle allows you to precisely control your idle system
- Built in, clear fuel level sight glass for easy, no mess fuel level adjustments
- Aluminum construction for a 43% weight savings
- Ford A/T kickdown
- 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!
Charts
Rebates
Holley October Promo 10% Off Select Parts Sale
Holley's October Promo 10% Off Select Parts Sale, running from September 28, 2026, through November 1, 2026. For a limited time, customers can save up to 10% off on select Holley parts, making it the perfect opportunity to upgrade your ride with premium Holley branded parts including Holley, Brawler, Quick Fuel, Leg Wheels, Rev Wheels, Rocket Racing, Flowtech, Edge, Racequip, Apr and Dinan. Purchases must be made between September 28, 2026, through November 1, 2026. This limited-time offer applies to qualifying Holley branded parts purchased during the promotional period. Following the promotion, these parts will revert back to standard pricing.
Guides & Documents
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Holley 0-86770BK Specifications
Holley 0-86770BK Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 0-86770BK |
| Brand | Holley |
| Carburetor Barrels | 4-Barrel |
| Fuel Type | Gasoline |
| Choke Type | Electric |
| CFM Range | 700-799 CFM |
| CFM | 770 CFM |
| Carburetor Flange Type | 4-Barrel Square Bore |
| Finish | Shiny |
| Material Type | Aluminum |
| Color | Black |
| Secondary Type | Vacuum |
| Fuel Inlet Type | Dual |
| Gasket(s) Included | Yes |
| New or Remanufactured | New |
| Throttle Linkage Type | Universal |
| Supercharged Application | No |
| GENERAL | |
| Model | 4150 |
| Booster | Down Leg |
| Emission Code | 3 |
| Throttle Bore | 1.6875 inch |
| Vacuum Ports | 1 timed (spark) port, 2 full, and 1 PCV port |
| Bolt Hole Pattern | 5.160" x 5.625" |
| GTIN Code | 090127664735 |
| Sold in Quantity | Each |
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