Holley Carburetor Standard Main Jet - 2 Pack

Precision Fuel Metering Control

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.

Quality Construction

All Holley Main jets are flow tested and then stamped with the correct number for precise identification. Manufactured from brass to high tolerances for consistency, these jets are threaded for easy installation and removal.

Universal Compatibility

Fits all Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 carburetors. Available in dozens of jet sizes for precise tuning applications.

Technical Specifications

Flow Rating: Rated by cubic centimeters per minute
Material: Brass construction
Thread: Standard carburetor main jet threading
Package: 2 jets per pack
Testing: Each jet is flow tested for accuracy
Marking: Stamped with correct flow number

Note: Jet hole sizes provided for reference only. All Holley jets are sized by actual flow and may vary from drill sizes.