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 0.0685'' and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.
- Make sure this fits
by entering your model number.
- Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500
- 1/4-32 Thread
- Standard Main Jet
- Control fuel flow into the metering system
- Rated in flow capacity "cubic centimeters per minute"
- Fit type: Vehicle Specific
