Hard To Find Items Wanted. List Yours

I'm looking for a set of 7.00x13 Goodyear Power Cushions blackwalls and 3 7.00 x 13 white walls. They need to be NOS or mint.

Also looking for the valve located two inch above the intake on 273x4bbl engine. This valve is for protecting oil fumes into the brake booster. It's maid of white plastic with the Bendic name on it. Need to be NOS or mint.