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Vehicle Info NeededCarburetor Main Jet Assortment Kit with Billet Plate, Jet Sizes 70 to 79
Ships on Nov 02, 2026
Lowest Price GuaranteeThe Holley 122-240 is a main jet assortment kit for track-tuning the fuel curve on Model 2010, 2300, 4010, 4011, 4150, 4160, and 4500 carburetors. It includes two each of every gasoline jet number from 70 through 79, held in a black anodized Holley billet plate that keeps them sorted and accessible.
Holley 122-240 Kit Contents:
- Main jet assortment for Holley 2300, 4150, 4160, and 4500 carburetors
- Two each of jet sizes 70 through 79
- Black anodized billet storage plate
- Genuine Holley 1/4 in.-32 brass gas jets
- Sold as a kit
The most economical way to buy jets!
The Holley Jet Assortment Plates are black anodized billet aluminum and come with 10 pairs of jets in various size ranges. The jet sizes selected will give a narrow range of adjustment and tuning for your carburetor. Jets screw into each plate that is capable of holding up to 48 jets each.
The Holley Jet Assortment Kit includes 36 pairs of gasoline jets in every size from 64-99. Includes a handy plastic storage case with the jet sizes labeled on the lid. The jet sizes selected will give the broadest range of adjustment and tuning for most performance carburetor applications.
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