I need help figuring out what drum size to buy. The internal ID measurements is 10 3/16”. I just bought new drums for 10” with 1 3/4” shoes. The new drum don’t fit because it has a 10” ID. I have the park brake adjustment screwed all the way in. The outside dimensions match old drums. Has anybody have this problem. I have attached pictures of the stamps on the outside of old drum. 1987 YJ automatic with 4.2 258 motor
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