T
he AM shows 2 different part numbers for the flat washers for 1/4 bolts .120392 and 120385 I believe one is USS and the other is SAE. I had all my hardware plated and there are 2 different size washers .So could someone measure the OD of the 1/4" flat washers that mount the inner fenders to the cowl 120392 on a unrestored car .Thanks in advance
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