Larry,
The reason I asked was that some of the aftermarket TOB sleeves ( McLeod adjustable for instance) do not have the proper channel machined into the center bore. This is there to hold a small amount of grease to lubricate the bearing retainer tube. I have seen several which have started to weld themselves to the tube ,due to a lack of lubrication, causing the clutch to become very hard to depress. It usually starts off as an intermittent issue and gets progressively worse.
Ron
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