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Holley

Carburetor, Holley, 670 CFM, Ultra Street Avenger, Vacuum Secondaries

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Part# : HLY670B

Mfg#: 0-86670BK

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List Price: $1,014.95

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Metering Block/Plate

Vehicle Specific View fitment for 26 models

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Universal 670-CFM Ultra Street Avenger Carburetor (Vacuum Secondaries) by Holley®

670-CFM four-barrel with vacuum secondaries, lightweight aluminum body and adjustable fuel bowls.

This Holley® Ultra Street Avenger four-barrel carburetor supplies 670 CFM for compatible gasoline street/strip engine combinations. The aluminum main body reduces weight compared with traditional castings, while externally accessible fuel-bowl sight windows make float-level inspection easier. Its vacuum secondaries respond to increasing engine airflow demand as the throttle opens, supporting predictable street operation. Metering-block and base-plate finishes depend on the selected variant and should be matched to the exact selected finish rather than assumed from another carburetor model. Confirm square-bore mounting, air-cleaner clearance, linkage and emissions suitability for the vehicle.

• 670 CFM Ultra Street Avenger four-barrel • Vacuum secondaries • Aluminum carburetor main body • Fuel-bowl sight windows • Finish/anodized metering-block options vary by SKU • Street/strip gasoline engine application

Notes

This item is not eligible for any further discounts or promotional pricing.
This item is SPECIAL ORDER and will drop-ship from the manufacturer. While the majority of drop ship orders experience no delays, please be advised that OPGI does not control delivery times.

This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only. Learn More

We aim to provide accurate and complete product information. If you notice anything incorrect, missing, or unclear, please let us know.

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WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model	Application Details
1982 Buick Grand National	670 CFM
1982 Buick Grand National	1984–1987 Buick Grand National	670 CFM
1978–1987 Buick Regal	1984–1987 Buick Grand National	670 CFM
1963–1976 Buick Riviera	670 CFM
1961–1972 Buick Skylark	670 CFM
1983–1986 Buick T-Type	670 CFM
1938–1953 Cadillac 60 Special	670 CFM
1959–1993 Cadillac DeVille	670 CFM
1953–1993 Cadillac Eldorado	670 CFM
1965–1993 Cadillac Fleetwood	670 CFM
1939–1951 Cadillac Series 60	670 CFM
1939–1951 Cadillac Series 61	670 CFM
1940–1964 Cadillac Series 62	670 CFM
1939–1951 Cadillac Series 63	670 CFM
1936–1937 Cadillac Series 70
1976–2004 Cadillac Seville
1964–1977 Chevrolet Chevelle	670 CFM
1964–1987 Chevrolet El Camino	1964–1977: 670 CFM
1964–1987 Chevrolet El Camino	1978–1987: 670 CFM
1978–1983 Chevrolet Malibu	670 CFM
1970–1988 Chevrolet Monte Carlo	1970–1977: 670 CFM
1970–1988 Chevrolet Monte Carlo	1978–1988: 670 CFM
1961–1987 Oldsmobile Cutlass	1964–1977: 670 CFM
1961–1987 Oldsmobile Cutlass	1978–1987: 670 CFM
1958–1977 Pontiac Bonneville	1959–1976: 670 CFM
1958–1977 Pontiac Bonneville	1982–1986 Pontiac Bonneville	670 CFM
1959–1977 Pontiac Catalina	1982–1986 Pontiac Bonneville	1959–1976: 670 CFM
1962–1987 Pontiac Grand Prix	1962–1976: 670 CFM
1962–1987 Pontiac Grand Prix	1978–1987: 670 CFM
1964–1973 Pontiac GTO	670 CFM
1961–1974 Pontiac LeMans	1961–1973: 670 CFM
1961–1970 Pontiac Tempest	670 CFM

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