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If you have an iPhone you can download the IAP Bushing & Tube App for a buck. It has all the sizes of bushings and tubes along with instructions for many kits for most every maker and seller. They have a version for Android but it hasn't been updated for a few years, nobody volunteered to do it.

Upper Cap is .539" and .527" for tube ID .429"

Lower is .524" and .444" for tube ID .357"


Pete


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