Overview
These metering orifices control fuel flow into the metering system and are rated in flow capacity "cubic centimeters per minute". They are changeable for tuning purposes to optimize carburetor performance.
Features
- Precision Flow Control: The shape of the entry, exit, and size determines flow characteristics
- Quality Assurance: All Holley Main jets are flow tested and stamped with the correct number
- Professional Grade: Manufactured to high tolerances for consistency in performance
- Easy Installation: Threaded for easy installation and removal
Specifications
- Thread Size: 1/4-32
- Jet Size: .049"
- Material: Brass construction
- Compatibility: Fits all Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 carburetors
- Size Range: Available in sizes from 40-110
- Package: Sold as individual jet
Technical Notes
Jet hole sizes are provided for reference only. All Holley jets are sized by actual flow and may vary from reference sizes above. Not for use with carburetors originally designed for alcohol.
Legal Compliance
This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.