The Edelbrock AVS2 Series Carburetor Calibration Kit #1949 is intended for AVS2 800 CFM carburetors (#1912 manual choke or #1913 electric choke). It supplies metering rods, jets, step-up springs, retaining springs, replacement hairpin springs and a calibration chart in a reusable case so tuners can adjust rod/jet combinations for optimal cruising and power mode mixtures.
Edelbrock Calibration Kit for 1912 / 1913