Explaining A727 Torqueflight Tailshaft Differences

The Torqueflight 727 didn't always come with the long tail shaft, and if you have a short shaft, there are some things you need to know.... The 8" Shaft bearing is available here: http://www.brewersperformance.com/pro... Yes, the description doesn't mention mid-70's A727's with a bolt-on yoke, but this is the right one.