Alcohol jet problem

I have a Holley that has been converted to alcohol,it has 160-158 jets in it.These jets are stainless steel and thread into standard metering blocks.I ordered a jet kit from Jegs and they are the wrong 5/16-32 thread.I dont want to change to the larger threaded metering blocks,Does anyone know who made or has these jets? Appreciate any insight on this problem, Eddie
 
The smaller alcohol jets can be bought from many suppliers but, they are a standard Holley gas jet simply drilled larger. You can buy a letter/number drill set and drill your own to get you going.

-Ron.
 
The jets im talking about are NOT regular Holley jets drilled larger. The ones I'm talking about are made of steel, have a 5/16 hex on them yet still fit the regular Holley jet hole. They are precisely sized and not drilled.
 




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