I found this in the forum back from 2010. Looks like it may be optional wheel, RPO_274 from a 1948 passenger car.
[Link]

Last edited by Phak1; 10/20/2025 12:32 PM. Reason: Added info

Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
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