are all 10" brake drums the same -- in the small bolt pattern? i have a set of finned 10" brakes-- they seem to measure the same as the older style drums I have--- but I do not have bearings & a spindle to check them out on---
would the finned brake fit the earlier say 69 brake spindle-- or was there a change ? thanks Lawrence

if it helps the finned drum says kh-09191301-7 then 55722 max dia 10.090

There were some nice finned 10" drums used for the early set-up through '72 but they are fairly scarce and/or expensive. '73 - '76 drums use a larger spindle.

Your #55722 matches the number cast into a set of the later drums I have sitting here in my garage. So they will require the '73 - '76 spindles etc.

Cheers - Mike

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. . . there was good sport at his making.

thanks-- i figured that -- but wanted tto be sure--- you need an extra set?