9” differential tag

[pbf777]

. . . . . it was not originally equipped with a Detroit Locker, so the "L" in the 3.89 would not be there.

    The rear differential options for these did not 'ever' include the "Trac-Loc"?   

    Scott.

    P.S.  Looks like the "correct" nut in this picture! 

[Bob Gaines]

. . . . . it was not originally equipped with a Detroit Locker, so the "L" in the 3.89 would not be there.

    The rear differential options for these did not 'ever' include the "Trac-Loc"?   

    Scott.

    P.S.  Looks like the "correct" nut in this picture! 

It was phased out for 66. Another cost cutting issue by SA. If a customer wanted a Trac Loc or a Detroit locker it was to be dealer installed according to factory memos.