Holley Standard Main Jets - 2 Pack
Part Number: 122-79
Thread: 1/4-32
Jet Size: .091" (.091 inches)
These precision-engineered metering orifices control fuel flow into the carburetor metering system. They are rated in flow capacity "cubic centimeters per minute" and are changeable for tuning purposes.
Key Features:
- Flow Tested: All Holley Main jets are individually flow tested and stamped with the correct number for accuracy
- Precision Manufacturing: Threaded for easy installation and removal, manufactured from brass to high tolerances for consistency
- Tunable Performance: The shape of the entry, exit, and size determines flow characteristics
- Wide Compatibility: Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500 carburetors
- Quality Material: Constructed from durable brass
- Professional Grade: Designed for both street and race performance tuning
Technical Specifications:
- Thread Size: 1/4-32
- Jet Drill Size: 0.091 inches
- Material: Brass
- Quantity: Sold as a pair (2 pieces)
- Jet Type: Gasoline
Note: 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.