727 4 CLUTCH DIRECT DRUM

belmateo said
I have a bunch, how to check them for what you want?

Thanks for the reply. The bushing in the front of the drum is about 7/8 inch wide. This denotes 1971 and newer which I have.(the older ones are closer to 1/2 inch. When you look inside the drum, the snap rig groove on a 4 clutch is near the top edge, whereas the 3 disk drum has the snap ring groove deeper in the drum.

This is a 4 disk drum

Here is my 3 disc drum