Holley Ultra Street Avenger Model 4150 770 CFM 4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Silver / Black 3451 1977-1985 Buick Regal

1977-1985 Buick Regal

The linear working spring rate (300 lb

1963-1963 GMC 2500 Series

Full PTFE Lip

Holley Ultra Street Avenger Model 4150 770 CFM 4-Barrel Carburetor - 4-Barrel - Square Bore - Electric Choke - Vacuum Secondary - Dual Inlet - Silver / Black 3451 1977-1985 Buick RegalHolley Ultra Street Avenger Carburetor 0 86770BK 4 bbl 770 CFM Model 4150 Black Anodized Billet Alum Metering Block Base Plate w Black Hardware Vacuum Secondary Electric Choke Aluminum Ultra High Strength And Durability Ultra Cool Modernized Looks 4 Corner Idle 4 Vacuum Ports Factory Pre Set Electric Choke Precise Idle Control And Stability Clean Safe Performance Easy To Install And Understand Holley has been the undisputed leader in fuel systems for