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Discussion Starter #1
I can't ID this Holley Carb. It's list # 4508. It has what I thought were shaved air horns until I found the list number where my index finger is pointed. It has a tag, too: C9OF-9510 N Date code of 8A4

The metering plates are #'s 6211 and 5128 or 9. They're a little hard to read. THere is an ink stamp of 4229 D on the fron bowl.

I got this carb from the same guy I bought a bunch of old school hot rod stuff from, including a 65 dated 427 carb and some Cobra Jet 6090- J heads.

Any help would be appreciated. It may be a frankenstein carb, I dunno. Thanks
 

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That's a 660 CFM "center squirter".
They came as 4160's, most got modified with the secondary block and 4150 bowls like yours. LINK
 

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Discussion Starter #4
Thanks guys! Does anyone have the exact application for this list number. This is not likely to be a dual quad carb with the 4150 bowls. I'd like to "place" it with someone that needs it for the correct application. Any intere$t from anyone here? 248-867-3522 -Ray

Are both these metering plates for a Boss 302 or just one?

Thanks for your work!
 
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