Replacement emulsion Jets for infinite tunability of the metering systems on the Ultra HP™ Carburetors and the 0–80787–1 350CFM 2bbl.
Click on Catalog Product Page for complete listing of Jets and sizes.
Standard Emulsion Jet, .0595" Jet Size
Installation Notes
Fits All Holley Ultra HP™ & Doninator HP® Billet Metering Blocks. Holley does not recommend changing emulsion Jets unless you are a competent carburetor tuner and have the correct test equipment to record the changes.