OPEN genuine GM NOS engine air cleaner and silencer foam gaskets (open package of 4pcs).   GM 2551809.  This part is long discontinued.  Various Buick, Chevrolet, Oldsmobile, and Pontiac passenger car applications 1967 thru 1985.  

Check photos for cosmetic concerns before you buy.  Check your VIN for correct fitment at your local GM dealer before you buy.