Holley 122-59 JET

Carburetor Jet; Standard Main Jet; 1/4-32 UNF Thread; Hole Size 0.059 in.; Pair;

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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

• Fits Models 2010/2300/4010/4011/4150/4160/4500
• Sizes From 40-110
• 1/4 in.-32 Thread
• 0.059 in. Jet Size
• Standard Main Jet

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Application Summary:

Year	Make/Model
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
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.

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