Id dimensions of drums

Have 1941 ford. What is minimum ID dimension for front and rear drums please?
The minimum ID for 1941 drums is 12 inches. Some manufacturers made them a little under that so you could make a clean up cut after you installed the hubs to get to 12.000. In case you meant to say maximum that number is 12.060 unless the drum is marked otherwise.

Charlie Stephens
 
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