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Carburetor, Holley, Street Avenger, 670 CFM, Manual Choke, Vac. Secondaries
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Upgrade your carbureted engine's fuel delivery with this genuine Holley Street Avenger four-barrel carburetor. Featuring a 670 CFM airflow rating, this carburetor is calibrated for street performance, providing responsive acceleration and consistent fuel metering throughout the operating range. Its vacuum-operated secondaries feature Holley's quick-change spring system, allowing secondary opening characteristics to be adjusted for different engine and driving requirements. A cable-operated manual choke provides driver-controlled enrichment during cold starts. Built around Holley's 4150 square-bore configuration, this carburetor features a polished aluminum body, dual fuel inlets and externally adjustable float levels for convenient tuning. Four vacuum ports accommodate compatible ignition, PCV and accessory connections, while the standard 5-1/8" air cleaner flange accepts a wide selection of aftermarket air cleaners. Each carburetor is wet-flow tested and includes a fuel line kit. Designed for gasoline-powered engines with compatible intake manifolds, the Street Avenger offers adjustable fuel delivery for street performance applications.
Features • Genuine Holley Street Avenger carburetor, #0-81670 • 670 CFM four-barrel airflow capacity • Cable-operated manual choke system • Vacuum-operated secondary throttle plates • Quick-change vacuum secondary spring system • Polished aluminum carburetor construction • Holley 4150 square-bore mounting pattern • Dual 5/8"-18 inverted flare fuel inlets • Externally adjustable fuel bowl float levels • Four vacuum ports for engine accessories • Standard 5-1/8" air cleaner mounting flange • Factory-installed #65 primary and #68 secondary jets • Includes fuel line installation kit • Wet-flow tested before shipment • Designed for gasoline-powered street applications
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