Holley 122-45 Standard Main Jet

Holley 122-45 Standard Main Jet

• 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"

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 0.045'' and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.