Holley 122-48 - Holley Main Jets
Holley Main Jets
Holley main jets allow you to fine tune your carburetor. These jets have 1/4"-32 UNF thread and they are offered in a wide variety of hole sizes to allow fine tuning of your specific application.
Note: Jet hole sizes provided below are for reference only. All Holley jets are sized by actual flow and may vary slightly from the sizes listed.