- Double Sealed Ball Bearing, fits 1990-2006 Big Twin modles.
- special honed, slide fit into Mainshaft (OD 1.000") with Dry or Wet clutch
- upgrade OEM #9135 Inner Primary housing roller bearing (no need bearing sleeve /race )
- Oil seal with 1.0" ID prevent extra protection of primary oil leak
- 2 retainner ring included
Note: remove OEM bearing sleeve/race before installation.