These are quite hard to come by. But there is one on eBay at present.

https://www.ebay.com/itm/382575794659?ul_noapp=true

I am not the seller. Just passing on a tip for a hard to find part.

I have actually done business with this man (most of my stuff comes from e-Bay or rockauto), He stands good with his deals. and not a $ bad for the item , if you can find a NOS your looking at $50 or more...Good look'in out Brother.