http://shop.ebay.com/?_from=R40&_trksid=p3984.m570.l1313&_nkw=Corvair+Copper+Head+Gasket&_sacat=See-All-Categories May be worthwhile to buy some of these and cut down...the OD.. Matt Nall Charleston, Oregon http://mysite.ncnetwork.net/reswr0kp/