4pcs OLD STOCK OPEN PACKAGE Genuine Ford engine exhaust air supply gasket.   Ford D7DZ-9C435-C.  This part is long discontinued. Fitment for Ford and Mercury applications 1980 thru 1985.  Original plastic packaging shows shelf wear and staining (see photos). 

Check photos for cosmetic concerns before you buy. Check your VIN with your local Ford dealer for fitment before you buy.