55-64 Chevy Rear Axle Pumpkin Differential Copper Washers & Nuts.
When you rebuild the rear end or just take out the pumpkin to freshen up the paint, don't forget to replace these very important parts. These copper differential washers and nuts will keep the rear end fluid inside your housing, where it belongs. Nice touch when redoing the rear end. Fits all 55-64 Chevy models, made in the USA.