Thread: Holley List #4491
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Old 01-23-2006, 07:45 AM
gearheadmex gearheadmex is offline
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Default Re: Holley List #4491
I have a 4491 carb. I am not sure of the date code. On the air horn it says 3967479-GM, List-4491-1, 031. Is 031 the date code?
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