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Holley 670 CFM Street Avenger Carburetor 0-80670

Holley 670 CFM Street Avenger Carburetor 0-80670
Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670Holley 670 CFM Street Avenger Carburetor 0-80670
$1,047.99 ea
NEWARRIVING SOONEstimated Ship Date 05/29/2025 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/10/2025
Model: 3990478
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
STORE PICKUP
[More Info]
Street Avenger carburetors are known to bolt on right out of the box and have great features such as a quick change vacuum secondary for easy fine tuning; optimized street calibrations; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; built-in fuel filters; and an included fuel line kit so there are no unnecessary trips back to the parts store. The Avenger series are the first carburetors to have a limited lifetime warranty. With a great warranty like that and the included comprehensive instruction manual, you can count on years of worry free service.
Features:
  • Vibratory polished for good looks
  • 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)
  • 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!
This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.
Installation Notes:
This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the Mr. Gasket #1932.
About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
techlibrary_carb_numerical_listing.pdf611.91KB
99r10618.pdf217.68KB
199r10219-3.pdf1.05MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine
Chevrolet Chevy II Base 1963 4.6L / 283 / V8
Chevrolet Chevy II Base 1964 4.6L / 283 / V8
Chevrolet Chevy II Base 1965 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Chevy II Base 1966 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Chevy II Base 1967 4.6L / 283 / V8
5.3L / 327 / V8
Chevrolet Chevy II Nova SS 1964 4.6L / 283 / V8
Chevrolet Chevy II Nova SS 1965 4.6L / 283 / V8
Chevrolet Chevy II Nova SS 1966 4.6L / 283 / V8
Chevrolet Chevy II Nova SS 1967 5.3L / 327 / V8
4.6L / 283 / V8
Chevrolet Chevy II Nova 1963 4.6L / 283 / V8
Chevrolet Chevy II Nova 1964 4.6L / 283 / V8
Chevrolet Chevy II Nova 1965 5.3L / 327 / V8
4.6L / 283 / V8
Chevrolet Chevy II Nova 1966 5.3L / 327 / V8
4.6L / 283 / V8
Chevrolet Chevy II Nova 1967 5.3L / 327 / V8
4.6L / 283 / V8
Chevrolet Chevy II Nova 1968 5.7L / 350 / V8
6.5L / 396 / V8
5.3L / 327 / V8
5.0L / 307 / V8
Chevrolet Nova Base 1969 5.7L / 350 / V8
5.0L / 307 / V8
6.5L / 396 / V8
Chevrolet Nova Base 1970 7.4L / 454 / V8
5.7L / 350 / V8
5.0L / 307 / V8
6.6L / 402 / V8
Chevrolet Nova Base 1971 7.4L / 454 / V8
5.7L / 350 / V8
5.0L / 307 / V8
6.6L / 402 / V8
Chevrolet Nova Base 1972 5.7L / 350 / V8
5.0L / 307 / V8
6.6L / 402 / V8
Chevrolet Nova Base 1973 5.7L / 350 / V8
5.0L / 307 / V8
Chevrolet Nova Base 1974 5.7L / 350 / V8
Chevrolet Nova Base 1976 5.0L / 305 / V8
Chevrolet Nova Base 1977 5.0L / 305 / V8
Chevrolet Nova Base 1978 5.0L / 305 / V8
Chevrolet Nova Base 1979 5.0L / 305 / V8
Chevrolet Nova Concours 1976 5.0L / 305 / V8
Chevrolet Nova Concours 1977 5.0L / 305 / V8
Chevrolet Nova Custom 1973 5.7L / 350 / V8
5.0L / 307 / V8
Chevrolet Nova Custom 1974 5.7L / 350 / V8
Chevrolet Nova Custom 1978 5.0L / 305 / V8
Chevrolet Nova Custom 1979 5.0L / 305 / V8
Chevrolet Nova Police 1976 5.0L / 305 / V8
Chevrolet Nova Police 1977 5.0L / 305 / V8
Chevrolet Nova Police 1978 5.0L / 305 / V8
Chevrolet Nova Rally 1977 5.0L / 305 / V8
Chevrolet Nova Rally 1978 5.0L / 305 / V8
Chevrolet Nova Rally 1979 5.0L / 305 / V8
Chevrolet Nova SS 1976 5.0L / 305 / V8

Specifications:

Barrels 4
Booster Straight
Booster Type Straight
Carburetor Use Street
CFM 670
Choke Electric
Condition NEW
Emission Code 3
Finish Shiny
Fuel Gasoline
Fuel Inlet Dual
Marine Use No
Material Aluminum
Model 4150
Part Type Carburetor
Primary Main Jet 65
Primary Power Valve 6.5
Primary Pump Nozzle Size 31
Product Type Carburetor
Proposition 65 www.P65Warnings.ca.gov
Secondaries Vacuum
Secondary Main Jet 68
Supercharged Application No
Throttle Bore 1.563 inch
Vacuum Ports 1 timed (spark) port, 2 full, and 1 PCV port
Warranty Limited Lifetime Warranty

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