If you blow up your picture, you can clearly see numbers and letters stamped on that pad. Clean it with a wire brush as Kevin suggested and it may clear it it.
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Last edited by Phak1; 06/21/2023 12:04 AM.
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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