The Yukon 0.750in notched cross pin shaft is made for Ford 8.8-inch differentials from 1985 and older, offered as a direct replacement shaft for notched applications. Yukon specifies this part is not compatible with Powertrax Lock Rights or Spartan Lockers. It provides the correct notched diameter and fit for vintage Ford 8.8in carriers where required.
Yukon Gear 8.8in Ford 3/4in Notched Cross Pin Shaft (0.750in / 85 and Older)