8 3/4 center chunk

Where you located? I have a 742 case complete ready to bolt in 3.91-1 cone type suregrip. I just removed it in favor of a 3.23. It is quiet and the suregrip is "rebuilt" by me at my last job where I had acsess to a surface grinder. I also added extra springs and shimed the side gears back to proper depth. It is equiped with the small 7620 type yoke. I was useing it with royalpurple synthetic. I am asking 450.oo plus shipping costs. Or pickup is fine.

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