Let me check around.....be back in a minute.
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I found the backing plate studs, not sure if they could be used or not.
http://www.ebay.com/itm/Mopar-8-75-8-3-4-housing-end-stud-kit-with-nuts-3-8-24-thread-NEW-OEM-/171152810364?pt=Motors_Car_Truck_Parts_Accessories&hash=item27d980a17c&vxp=mtr
If not, I'll knock one out of a spare housing and send it to ya, just let me know.
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Also just checked moparts.com, and who would've thought of this.....a ferd 9 studs are a direct bolt in, but are just a tad longer. If you use those, I won't hold it against ya, lol!!