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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.
Not Yet Reviewed
$1,099.46
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$1,364.96
JET Model 4150 Stage 2 carburetors, based on popular Holley double-pumper carbs, have all the same modifications as the 4150 Stage 1, plus inspected, blueprinted, and calibrated fuel metering circuits to match modifications done to the engine. Also, the air horn is milled to improve and equalize airflow between the primaries and secondaries. Electric chokes and four-corner idle circuits are optional on all Stage 2 carburetors.
Not Yet Reviewed
$1,082.21
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.
Not Yet Reviewed
$1,192.46
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