8 3/4 posi unit change

This is the adjuster I am talking about that goes between the bearing and the flange of the axle where your brake drum mounts. There is a little J hook looking thing that bolts onto one of the studs and that prevents this from adjusting itself when you're going down the road.

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Mine has nothing like that on it I'm gonna get pics of my axle housing and axles and back plate and then u can see what I'm working with like I said before I'm new to this stuff but I've been told by others that it can work so I'm reaching out for the best advice I can get to get thus together and go racing