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Holley Performance Large/Jumbo H Jet - 122-110 Holley Performance

Availability: Out Of Stock
Vendor Name: Holley Performance
Line Code: HLY
Part Number: 122-110

Holley Performance  Large/Jumbo H Jet - 122-110

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.


Installation Notes


  • Standard Main Jet
  • .156" Jet size
  • 1/4-32 Thread
  • Sizes from 40-110
  • Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500

Some parts are not legal for use in California or other states with similar laws / regulations

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