Need help with camshaft ID

Derek Mitchell

Junior Member
I got these cams a while back in a lot of parts I bought. Does anyone know what they fit?

Mains are smaller than an A. Cam is longer than a A. They have a woodruff key for the gear. One is tapped on the end for a bolt and the other is not. No marks on them except for a 123 on one and a stamped B on the other.

Here’s a few pics, the last is an A cam next to one of the others.
 

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They are apparently for a dual overhead of some sort, likely for one of the DOC conversions made for the Model A/B. They are not Hal, but several such conversions were made.
 
I was thinking 27-28 Chevy as well but I couldn’t find a photo to confirm. Any earlier than that and they wouldn’t have the distributor drive gear.
 
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