Technical 51 flathead timing cover bearing

I am wondering what goes on the back of the timing cover the shop manual said something about a "camshaft thrust bearing surface" does something go there if so does anyone have any pictures and/or know where i can buy what I need????

 

I think the bearing surface is just a bump in the casting that keeps the cam from moving forward. I may be wrong as its been a while. I dont think it is a seperate piece

 

It is a part of the cover. Nothing needs to be added.

 

My cover dose not have any wear marks on it I would have thought it would if there was no other part there?


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Is this an aluminium or steel cover? The 8ba cam thrusts forward and does use the cover as a thrust face sometimes they can be a little worn on the alloy covers but a rule most are ok to be reused. There is no bushing or shim in there.

 

I have the aluminum cover


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