I am in search of the correct bushing for a factory Buick adjustment rod. Plus as you can see by the picture the swivel adjuster is about to give way. I believe the Buick swivel is a bit beefier than the ones they reproduce and sell on ebay. Anyone have one for sale.
This works better: http://www.v8buick.com/showthread.php?287411-Home-made-455-clutch-adjsuter-set-up&highlight=732-1129
Is there any reason you cannot drill out the trunion and use 2 jam nuts to make the adjustment? That was you can use a grade 8 threaded rod screwed into the heim end
Here is a corvette bushing that you can get from your local GM dealer. It fits perfectly into the z-bar and into the clutch adjuster. Looks identical to the original. You will need to make the center steel sleeve narrower by grinding it as it is a bit long. Pre-fit it onto the clutch rod and or the clutch fork before installing it. .