1948 1949 1950 1951 1952 1953 1954 1955 ALL RACE CALIBRATION KIT

Part Number: 1991

ALL  RACE CALIBRATION KIT - Part Number 1991
1974 Race Calibration Kit For Model 4MV and Edelbrock #1901 and #1902. 1974 and earlier. Includes 4 pairs (#1992) or 6 pairs (#1991) of primary metering rods, 5 pairs of main metering jets, 5 pairs of secondary metering rods, 5 secondary metering rod hangers, high capacity .145" diameter needle and seat assembly, high-performance accelerator pump and 4 power piston springs.
For Model 4MV 1974 and Earlier 1948 1949 1950 1951 1952 1953 1954 1955

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