Carburetor Standard Main Jet

€15.25 *

Prices incl. VAT plus shipping costs*

Special Order: Estimated Shipping in 4-8 workdays*,
(if available at manufacture*)

Order number: HLY-122-40
Notes: Standard Main Jet, 1/4-32 Thread, .040" Jet size

These metering orifices control fuel flow into the metering system. They are rated in flow... more

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Holley 122-40 - Carburetor Standard Main Jet

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. Click on Catalog Product Page for complete listing of jets and sizes.

NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR ALCOHOL