S&S heavy duty inner primary bearing race prevents costly damage to the inner primary mainshaft seal, output gear and bearing because it will not "walk" on the transmission mainshaft under heavy loads! Sold each.
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bearing
This product is the Bomb..
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Primary bearing race
I used to get main shaft leaks fairly often in both my 2000 dyna and '06 Road Glide. The leak was caused by my bearing racing walking in towards the transmission and a heavy throttle hand. I replaced the Harley bearing race with the S&S one and no more problems. Plus the S&S one is a bit easier to install and remove.
