Holley 390cfm jet size

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09-24-2004, 01:49 PM

MRStace84

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Holley 390cfm jet size

I've got a Holley 390cfm carb on my 84 300. Does anyone know what size stock primary jets are in those carbs?

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09-25-2004, 06:51 AM

inliner

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The stock main jet is a 51.

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