New, never used, reusable gasket for any of the 8 ¾ rear center sections

I have for sale a new, never used, reusable gasket for any of the 8 ¾ rear center sections. This is from Ratech and carries P/N 5101R.

Reusable Gaskets

5101R

I would like to get $8.00 for it plus the shipping.

Ken
Edison, NJ