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
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 1538 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
A
Verified Purchase
Amazon Customer
Houston, US
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
T
Verified Purchase
Tim Arnette
Port Orchard, US
★★★★★ 5
Looks good feels good
Size: 13 Wide, Color: Black
I've had them 2 weeks and love them. Took a little breaking in but they feel great now.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
E
Verified Purchase
Elizabeth Henderson
Whiting, US
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2026
M
Verified Purchase
Mynx
Pawtucket, US
★★★★★ 5
Comfortable Shoes Right Out of the Box
Size: 9, Color: Black
I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 2, 2025
R
Verified Purchase
Rmanuel
Omaha, US
★★★★★ 1
Paid for new, received used.
Size: 9.5 Wide, Color: Cognac, Size: 9.5 Wide, Color: Cognac
Arrived dirty as if someone whore it for more than a few days. Maybe I was mistaken, but I saw nothing about “previously used” on the Amazon page. Returned it. I would suggest that the company use quality control when it comes to shipping. The shoes seem find otherwise. I ordered 9.5 and it was just a bit tight. If I reorder I will go for size 10.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026

recommand products