HLY-122-42 #1
HLY-122-42 #2
HLY-122-42 #3

Main Jets (2)

HOLLEY  |  Part# HLY-122-42


AL Inventory: 0

MI Inventory: 0


Highlights:

  • Jet Number - 42
  • Jet Size - 0.042 inch
  • Product Type - Standard Main Jet
  • Prop 65 - Short Label - prop65_warning.jpg
  • Prop 65 (C, R or CR) - CR
  • Prop 65 Yes/No - Yes
  • Title - Holley - JET

Carburetor Jet - 0.042 In Id - Number 42 - Brass - Holley Carburetors - Pair

$9.46
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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



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  · Air and Fuel » Carburetors and Components » Carburetor Jets and Components