770 CFM Ultra Street Avenger Carburetor - 0-86770BK
SKU: 484976563

770 CFM Ultra Street Avenger Carburetor - 0-86770BK

Sale price$414.88 Regular price$460.98
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

770 CFM Ultra Street Avenger Carburetor - 0-86770BKOverview: 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.

Overview:

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.

Features:

  • 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
  • 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!

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Barrels 4
Billet Color Black
Booster Down Leg
Brand Holley
Carburetor Use Street
CFM 770
Choke Electric
Condition New
Emission Code 3
Finish Shiny
Fuel Gasoline
Fuel Inlet Dual
Marine Use No
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
Warning California Proposition 65
Warranty Limited 1 Year Warranty
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 484976563

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Lois Ilene
Draper, US
★★★★★ 5
Quick and easy to file a claim & get resolution!
I bought a blender from Amazon about 18 months ago and at the same time, purchased the Asurion policy to cover it. The glass pitcher cracked last week and I filed a claim with Asurion. Having never used Asurion before, I wasn't sure what to expect but I was blown away by the ease and speed with which my claim was resolved. Immediately after submitting the claim, Asurion sent a pre-paid shipping label with clear instructions on what to do next. After packing up the blender, taping the label on the front of the box (I had kept the original box the blender came in), and dropping the box off at the UPS location near me (Asurion's instructions included addresses for 2 drop-off locations in my tiny town), I had a refund in my email within hours. I was able to add the refund to my Amazon account simply by clicking on a button in the email and there it was, a credit in my Amazon account! As I said earlier, I'm blown away by how easy it was to file my claim and get a refund. Asurion made the entire process so effortless! Since the blender I had purchased is no longer available, I ordered a different one from Amazon (it arrives today - yay!) and I can guarantee you that I also purchased the Asurion policy to cover it. Thank you, Asurion, for making the process so easy and the resolution so fast.
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Reviewed in the United States on January 14, 2022
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Tman
Whiting, US
★★★★★ 5
Warranty honored.
Great warranty called they replaced product under the warranty I purchased
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Reviewed in the United States on May 31, 2026
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Simplyarlene
San Leandro, US
★★★★★ 5
This is one of the best warranty companies out there.
I have had my warranties with Asurion for years, and they are one of the best warranty companies out there. When filing a claim, the process is very easy. I finished the entire process in less than 5 minutes. The service was amazing and the lay-out and appearance of the website was simple to use. The protection plan cost was reasonable.
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Reviewed in the United States on June 1, 2026
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Cheifi74
Draper, US
★★★★★ 5
Quick and easy
My water kettle just stopped working after a year. Once I boxed up and returned the kettle, Asurion refunded my account.
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Reviewed in the United States on May 8, 2026
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christian wilson
Louisville, US
★★★★★ 5
Easy peasy
Good communication. Easy to file a claim. Received my refund as soon as the product was mailed.
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Reviewed in the United States on May 21, 2026

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