
Carburetor Main Jet Assortment Kit with Billet Plate, Jet Sizes 90 to 99
The Holley 122-260 is a main jet assortment kit that gives carburetor tuners a ready supply of gasoline jets for dialing in the fuel curve on Model 2300, 4150, 4160, and 4500 carburetors. The kit includes two each of every jet number from 90 through 99, organized in a black anodized Holley billet plate that keeps the jets sorted and protected on the workbench or at the track.
Holley 122-260 Kit Contents:
- Main jet assortment for Holley Model 2300, 4150, 4160, and 4500 carburetors
- Two each of jet sizes 90 through 99
- Black anodized billet storage plate
- Genuine Holley jets, flow-tested and stamped
- 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.


