Sce copper exhaust gaskets for 455 Buick, part number 4071. 30$ shipped How to build max performance Buick engines-20$ shipped 1976 Buick service manual- 20$ shipped. located in billings mt, post here then pm or email me at bull3twithaname@hotmail.com. If you want more than 1 item ten I will knock a couple off for shipping. PayPal only
Had to use these copper gaskets after the "best" offered kept leaking for me. If I did not already have a set, I would get them.