This synchrohub is a Ford original parts and also comes with new 5th gear synchro ring and plastic blocker bar stop spacer.
The hub includes 5th gear blocker bars and springs.
Ford part number 6589768
# 6589768 # 909T7L053AA # # 1662963 # D839T7L053AB # # 1608553 # 839T7L053AB # # 16085530 # #