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Your cart is empty.These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main jets are flow tested and then stamped with the correct number.
Eddie Hiott
Reviewed in the United States on April 24, 2023
worked as planned
William Hartman
Reviewed in the United States on October 23, 2022
Bought a different Jets to get the best fuel mileage and the best performance so I don’t know what you want to work the best
Daniel Grant
Reviewed in Canada on October 1, 2021
These jets are well made and were the perfect size for the modifications I was doing to my carburetor!
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