holley standard main jet, carburettor, #48, .048 in, pair

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.

Click on Catalog Product Page for complete listing of jets and sizes.

Features:

Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500

Sizes from 40-110

1/4-32 Thread

.048" Jet size

Standard Main Jet

Jet Hole sizes provided for reference only . All Holley jets are sized by actual flow and may vary from sizes above.

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