If you're looking for a carburetor that fits right out of the box, the Holley 4150 770CFM V-SEC/EC S-AVENGER is a fantastic choice. These Street Avenger carburetors come loaded with features designed for your convenience. You’ll appreciate the quick-change vacuum secondary that makes fine-tuning a breeze, along with optimized street calibrations to get you up and running smoothly. Plus, it has four vacuum ports to accommodate all your necessary accessories, a factory preset electric choke for effortless starts, built-in fuel filters, and a handy fuel line kit—no more unnecessary trips to the parts store!

The Avenger series stands out by offering a limited lifetime warranty, making it the first of its kind in the market. With such a solid warranty and a detailed instruction manual included, you can rest easy knowing you're set for years of reliable service.

• Instructions for Part# 0-80770
• Avenger Limited Lifetime Warranty
• Carburetor Numerical Listing for Part #0-80770

• Vibratory polished for a sleek appearance
• Optimized street calibration that works right out of the box
• Factory preset electric choke for smooth startups
• Vacuum secondaries that suit a wide range of vehicles. The quick-change vacuum housing cap allows you to adjust for performance or fuel economy (springs included)
• Compatible with GM, Chrysler, and Ford A/T kickdown linkage; some additional parts may be needed.
• Fuel line kit included to save you from extra trips to the parts store
• Limited lifetime warranty – guaranteed to be free from defects in material and workmanship for the product's lifespan!
• 100% wet-flow tested by Holley technicians to ensure it's ready to run right out of the box!

• Barrels: 4
• Booster: Straight Leg
• CFM: 770
• Choke: Electric
• Emission Code: 3
• Finish: Shiny
• Fuel: Gasoline
• Fuel Inlet: Dual
• Material: Aluminum
• Model: 4150
• Primary Main Jet: 70
• Primary Power Valve: 6.5
• Primary Pump Nozzle Size: 31
• Product Type: 4150 Model Carburetor
• Secondaries: Vacuum
• Secondary Main Jet: 75
• Supercharged Application: No
• Throttle Bore: 1.688 inch
• Vacuum Ports: 1 timed (spark) port, 2 full, and 1 PCV port
• Warranty: Limited 1 Year Warranty

• This carburetor features a square bore flange bolt pattern and can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with a 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you’ll need an adapter to install this carburetor, similar to the Mr. Gasket #1932.