Primary Metering Jets
O.E. GM Rochester Quadra-Jets, Edelbrock Performer RPM Quadra-Jet #1910











Q-Jet Metering Rods
Single Taper; Quadrajet Model 4MV; 1974-Earlier







Q-Jet Metering Rods
Single Taper; Quadrajet Model M4M; 1975-Later; Edelbrock Model #1910