Didn't fit my Dana 50 IFS 1996 F250 HD 7.3 stroke. The 4 teeth look like they line up but will need grinding to fit. Also, with the amount of torque required by the outer spindle nut, I can see that it wants to slip off. There is nothing wrong with the nut. The outer ring type is really excellent for my application. Another design has the spindle nut fitting into the bushing. I can only use this as a last resort or when there isn't room for a larger OD connector.