HOLLEY Carburetor Metering Jet featuring For Use With Holley Carburetor. Part #: HOL122-63.
Features
- Control Fuel Flow Into The Metering System
- All Holley Main Jets Are Flow Tested And Then Stamped With The Correct Number
- Standard Main Jet
- Flow Capacity Are Changeable For Tuning Purposes
- Limited 90 Day Supplier Warranty