This standard main jet is manufactured to high tolerances for consistency and is designed to fine-tune the carburetor for street or race applications. The hole size measures 0.064'' and is threaded for easy installation and ...

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This standard main jet is manufactured to high tolerances for consistency and is designed to fine-tune the carburetor for street or race applications. The hole size measures 0.064'' and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.

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

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