Description

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

  • Standard Main Jet
  • .1210" Jet size
  • 1/4-32 Thread
  • Sizes from 40-110
  • Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500

Specifications

BrandHolley
Emission Code5
Grade TypePerformance
Head Diameter0.31
Jet Number97
Jet Size0.1210"
Length0.35
MaterialBrass
Orifice Diameter0.121
Product TypeStandard Main Jet
Thread Diameter1/4-32
WarrantyLimited 90 Day

Compatibility

  • Universal Part

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

  • Standard Main Jet
  • .1210" Jet size
  • 1/4-32 Thread
  • Sizes from 40-110
  • Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500
BrandHolley
Emission Code5
Grade TypePerformance
Head Diameter0.31
Jet Number97
Jet Size0.1210"
Length0.35
MaterialBrass
Orifice Diameter0.121
Product TypeStandard Main Jet
Thread Diameter1/4-32
WarrantyLimited 90 Day
  • Universal Part

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