These gaskets are made from heat resistant composite steel clad material using space age technology and will seal the header to the head with no problem.
RBS had an engine builder customer retire and traded in a whole box of new unused parts giving the racer a chance a some great deals. Make sure these are correct for your application before purchasing.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.