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Carburetor, Model 4150 Stage 4, 1,000 cfm, 4-barrel, Square Bore, Manual Choke, Dichromate, Each

JET Model 4150 Stage 4 carburetors, based on the popular Holley double-pumper carbs, are intended for racing use. They include all of the Model 4150 Stage 1, 2, and 3 modifications, a completely CNC-removed air horn, a hand-radiused center section to achieve the maximum allowable airflow, and removable air bleeds for fine-tuning adjustments. The carbs are built for full-race, high-rpm applications where the ultimate in performance carburetion is desired. JET Model 4150 Stage 4 carburetors provide consistent and reliable fuel delivery throughout the entire rpm range.