Seller notes

Copper Differential washers and Quality zinc plated hex Nuts,for any 57-64 Pontiac Oldsmobile center section These copper sealing washers are special sized for the 10.2 carrierthey act as a gasket to seal the nuts to the carriers cast iron surface the hex nuts are gr.5 with thick zinc plating almost look like chrome if you have disassembled the rear end or swapping carriers Fresh set of mounting hardware will be a nice finishing touch s/h is actual with ebays shipping discount...

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