Main Jets (2)
HOLLEY | Part# HLY-122-78
AL Inventory: 2
MI Inventory: 100
Highlights:
- Prop 65 - Short Label - prop65_warning.jpg
- Prop 65 (C, R or CR) - CR
- Prop 65 Yes/No - Yes
- Title - Holley - JET
- Jet Number - 78
- Jet Size - 0.089 inch
- Product Type - Standard Main Jet
Carburetor Jet - 0.087 In Id - Number 78 - Brass - Holley Carburetors - Pair
$12.13
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