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Carburetor, Model 4150 Stage 3, 650 cfm, Square Bore, Dual Inlet, Dichromate, Each

JET Model 4150 Stage 3 Carburetors, based on the popular Holley double-pumper carbs, are intended for high performance Pro Street and racing vehicles. They include all of the Model 4150 Stage 1 and 2 modifications, plus a radiused air inlet area and modified venturii for greatly increased airflow. They also feature modified discharge boosters for increased signal strength and atomization, machined throttle shafts, four-corner idle circuits, fully modified metering blocks, floats, and a high-flow needle and seats.