Alcohol Jet Kit Standard Length; 5/16-32 Thread; This Holley jet assortment kit consists of 4 EA. of 24 standard length jets that range in size from .132 in. to .200 in.. These jets will not fit the standard Holley metering block; they are designed to fit only the 750 and 950 CFM HP and 0-80586 DOMINATOR alcohol carburetors featured elsewhere in this catalog. The assortment is packaged in a durable plastic carrying case.;.