The Edelbrock Thunder Series AVS2 800 CFM carburetor (#1913) features Annular Flow Boosters for superior fuel distribution and near-EFI drivability on high-horsepower small- and big-block engines. Updated booster clusters and a Qwik-Tune secondary air valve simplify accurate calibration, and metering changes are fast and tool-friendly. This two-piece AVS2 design allows easy float adjustments without removing the carburetor; supplied in electric-choke configuration and manufactured in the USA.
Edelbrock Carburetor Thunder Series 4-Barrel 800 CFM Electric Choke Calibration Satin Finish