Holley 122-66 Standard Main Jets
HOLLEY | Part# HOL-122-66
In Stock
Highlights:
- Jet Number - 66
- Jet Size - .066 inch
- Product Type - Standard Main Jet
- Prop 65 - Short Label - prop65_warning.jpg
- Prop 65 (C, R or CR) - CR
- Prop 65 Yes/No - Yes
- Title - Holley - JET
Holley size 66 main jets. Standard 1/4-20 threads, sold in pairs and will fit all standard 4150, 4160, and 4412 carburetors.
$15.99
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. All Holley Main Jets are flow tested and then stamped with the correct number
